US2878998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin controlled barrier gate mechanism for vehicles
Assignee: Individual
•
Filing: 1953-04-21
•
Granted: 1959-03-24
•
Expires: 1973-04-21
Abstract
No abstract record available.
Inventors
- 👤 William A Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/14; G07F17/145; Y; Y10; Y10S; Y10S194/00; Y10S194/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1706211A
Cited
US2094216A
Cited
US1189708A
Cited
US1911015A
Cited
US2073834A
Cited
US2321253A
Cited
US2483817A
Cited
US2605911A
Cited
US2696921A
Cited
US2626718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |