US1661808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die
Assignee: Individual
•
Filing: 1926-09-04
•
Granted: 1928-03-06
•
Expires: 1946-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Messmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:07
CPC Classifications
C; C14; C14B; C14B5/00; C14B5/02; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/2146; Y10T83/2163; Y10T83/2166; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9295; Y10T83/9297
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) | 1931-03-06 | 1931-09-05 | 1932-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-06 | 1935-09-05 | 1936-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-06 | 1939-09-05 | 1940-03-06 | $7700.00 | Window Closed / Lapsed |