US2916882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power brake booster
Assignee: Motors Liquidation Co
•
Filing: 1956-01-03
•
Granted: 1959-12-15
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Spalding
- 👤 Walter H West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/142; B60T13/143; B60T13/144
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US773365A
Cited
US1901772A
Cited
US2130799A
Cited
US2241374A
Cited
US2280190A
Cited
GB549300A
Cited
US2446149A
Cited
US2752892A
Cited
US2775957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |