US2677976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual control brake attachment for automobiles
Assignee: Individual
•
Filing: 1952-05-03
•
Granted: 1954-05-11
•
Expires: 1972-05-03
Abstract
No abstract record available.
Inventors
- 👤 Seymour J Berman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:11
CPC Classifications
B; B60; B60K; B60K23/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20888; Y10T74/209; Y10T74/20906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1580384A
Cited
US2395280A
Cited
US2430561A
Cited
US2524486A
Cited
US2562700A
Cited
US2599376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |