GB 4, 1909

Source: Abridgment of patent specifications, Class 4, 1909–1915, p. iii.

Outline compiled following model of GB 4, 1905. New headings for this period are in bold.

INCOMPLETE! Work in progress.

Active headings in subject-matter index for 1909–15

• aerial machines and apparatus, kinds or types of—
  • adapted to travel also on land or water [including arrangements of land wheels for starting flight]. [No cases]
  • hygienic fresh-air supply apparatus. [No cases]
  • kites.
  • receptacles adapted to be dropped from aircraft.
  • toys and model gliders and flying-machines.
  • ways and guides, aerial, (including testing and experimenting, with captive aeronautical machines).
  • with aerostats or buoyant bodies. (= GB 4 with buoyant)
  • without aerostats or buoyant bodies— (= GB 4 without buoyant)
    • aeroplanes (Cf. GB 4 aëroplanes but formerly this term was used for the plane itself; here it's used as the name of the type of aircraft. Many entries in this category!)
    • helicopters and machines supported by rotary propellers.
    • miscellaneous—
      • machines supported by direct fluid-pressure apparatus.
      • machines supported by forces other than aerial reactions.
    • ornithopters (machines supported or driven by vibratory and reciprocatory wings or planes
• aerostats or buoyant bodies
  • captive and trailing-cable balloons.
  • construction, [including net coverings and the like]—
    • gas receptacles shaped as complete symmetrical surfaces of revolution—
      • around an horizontal axis.
      • around a vertical axis.
    • gas receptacles shaped otherwise than as complete symmetrical surfaces of revolution.
    • traversed by open-ended air conduits.
  • fitted directly with or combined with propelling, steering, and balancing arrangements.
  • gases and vapours for inflating.
  • hot or rarefied air and vapour, using.
  • inflating, deflating, and varying buoyancy, methods of.
  • materials, [including metallic envelopes].
  • multiple, partitioned, and cellular.
  • protective shields for, separate from envelopes
  • valves and valve-operating means.

Cross-references to other Abridgment Classes

(Some of these are listed clearly at the beginning of the index; others are incorporated into different headers throughout, not always with the title of the other class being cited.)

• Ammunition projectiles [Class 9 (i)]
• Angles, Measuring &c. [Class 97 (ii)
• Braces &c. (aviator's harness) [Class 141]
• Calculating-apparatus [Class 106 (i)]
• Optical apparatus [Class 97 (i)]
• Ordnance [Class 92 (ii)]
• Photographic cameras &c. [Class 98 (i)]
• Seats &c. [Class 52(ii)]
• Signalling by visible signals [Class 118 (ii)]
• Sounding-apparatus &c. [Class 97 (ii)]
• Pyrotechnic apparatus &c. [Class 9 (ii)]
• Class 113 (ii) (from "aerostats or buoyant bodies—armor plates, construction of.")
• From aerostats or buoyant bodies—materials—fabrics: Class 95, fabrics; Fabrics coated &c. [Class 140], Fabrics, Compound¸ &c. [Class 140], Fabrics, Woven [Class 142 (iv)], India-rubber &c. [Class 70], Leathers &c. [Class 76], Proofing permeable materials &c. [Class 140]
  • goldbeaters'-skin: Class 76
• pressure gauges for balloons: Class 106 (ii)