US2605066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air spring for heavy machinery
Assignee: Bridgestone Firestone Inc
•
Filing: 1946-12-21
•
Granted: 1952-07-29
•
Expires: 1966-12-21
Abstract
No abstract record available.
Inventors
- 👤 Roy W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:11
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/02; F16F15/04; F16F15/06; F16F15/023; F16F15/0232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US586592A
Cited
US1719308A
Cited
US1064203A
Cited
US1304311A
Cited
US2361575A
Cited
US2451171A
Cited
US2380899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |