US2658100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent cap
Assignee: Motors Liquidation Co
•
Filing: 1951-05-29
•
Granted: 1953-11-03
•
Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:19
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1367594A
Cited
US1368817A
Cited
GB225334A
Cited
FR706854A
Cited
FR906666A
Cited
US2558654A
Cited
US2571893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |