US2741859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin operated flush mounted vehicle barrier
Assignee: RICHARD H HALLSTED
•
Filing: 1951-06-21
•
Granted: 1956-04-17
•
Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Donald H Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:28
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/14; G07F17/145; E; E01; E01F; E01F13/00; E01F13/04; E01F13/08; Y; Y10; Y10S; Y10S194/00; Y10S194/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2015607A
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US2240948A
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US2255911A
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US2327366A
Cited
US2358747A
Cited
US2528790A
Cited
US2581783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |