US2471968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: Old Carco LLC
•
Filing: 1945-06-04
•
Granted: 1949-05-31
•
Expires: 1965-06-04
Abstract
No abstract record available.
Inventors
- 👤 Jack D Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:42
CPC Classifications
F; F02; F02P; F02P17/00; F02P17/02; F02P17/04; F02P17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21400E
Cited
US2188845A
Cited
US2335780A
Cited
US2355363A
Cited
US2366355A
Cited
GB563502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |