US3264627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical warning circuit
Assignee: Individual
•
Filing: 1962-11-19
•
Granted: 1966-08-02
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 William H Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:50
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; H; H02; H02H; H02H3/00; H02H3/02; H02H3/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US470722A
Cited
US2475356A
Cited
US2509027A
Cited
US2807318A
Cited
US2922147A
Cited
US2903681A
Cited
US2980897A
Cited
US3010098A
Cited
US2971186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |