US1534836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key-locked cap for tanks
Assignee: Individual
•
Filing: 1922-11-15
•
Granted: 1925-04-21
•
Expires: 1942-11-15
Abstract
No abstract record available.
Inventors
- 👤 Martin H Brede
- 👤 Olive L Longpre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:46
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B60K15/0409; B60K2015/0432; B60K2015/0445; Y; Y10; Y10S; Y10S220/00; Y10S220/32; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5544; Y10T70/5549; Y10T70/5558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-04-20 | 1928-10-20 | 1929-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-20 | 1932-10-20 | 1933-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-20 | 1936-10-20 | 1937-04-21 | $7700.00 | Window Closed / Lapsed |