US2637128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Map holder
Assignee: Individual
•
Filing: 1952-08-20
•
Granted: 1953-05-05
•
Expires: 1972-08-20
Abstract
No abstract record available.
Inventors
- 👤 William L Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:00
CPC Classifications
B; B60; B60R; B60R7/00; B60R7/08; B60R7/081; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US187061A
Cited
US349924A
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US357893A
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US418420A
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US616951A
Cited
US788335A
Cited
US1857934A
Cited
US1815024A
Cited
US2127234A
Cited
US2306174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |