US3435734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airbrake diaphragm
Assignee: Goodrich Corp
•
Filing: 1966-07-12
•
Granted: 1969-04-01
•
Expires: 1986-07-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Bushway
- 👤 Nicholas V Riselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:39
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/569; F; F16; F16J; F16J3/00; F16J3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1793621A
Cited
GB547485A
Cited
US2684829A
Cited
US3011758A
Cited
US3135173A
Cited
US3340734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |