US3223002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cylinders and manufacture thereof
Assignee: Individual
•
Filing: 1963-07-30
•
Granted: 1965-12-14
•
Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Edenborough Yule Courtenay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A CYLINDER FOR A PNEUMATICALLY-OPERATED PISTON AND CYLINDER DEVICE, THE CYLINDER COMPRISING AN AXIAL WALL AND END WALLS, ONE END WALL HAVING A BORE TO RECEIVE A PISTON ROD THERETHROUGH, AND A SLEEVE CONSISTING OF GLASS FIBRES BONDED TO EACH OTHER AND THE AXIAL WALL OF THE CYLINDER; THE CYLINDER BEING FORMED OF A RIGID SYNTHETIC PLASTIC.
Claim 2
Dependent Claim
57 words
A CYLINDER FOR A PNEUMATICALLY-OPERATED PISTON AND CYLINDER DEVICE, THE CYLINDER COMPRISING AN AXIAL WALL AND END WALLS, ONE END WALL HAVING A BORE TO RECEIVE A PISTON ROD THERETHROUGH, AND A SLEEVE CONSISTING OF GLASS FIBRES BONDED TO EACH OTHER AND THE AXIAL WALL OF THE CYLINDER; THE CYLINDER BEING FORMED OF A RIGID SYNTHETIC PLASTIC.
References Cited (Backward Citations)
US2549818A
Cited
US2498831A
Cited
US2870791A
Cited
US2963394A
Cited
US2890917A
Cited
US2987046A
Cited
US3143933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |