Patent US1649864A successfully refreshed from Google Patents.
US1649864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw
Assignee: Individual
•
Filing: 1923-06-25
•
Granted: 1927-11-22
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Expires: 1943-06-25
Abstract
No abstract record available.
Inventors
- 👤 Willis S Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:10
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/02; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/936
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) | 1930-11-21 | 1931-05-23 | 1931-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-21 | 1935-05-23 | 1935-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-21 | 1939-05-23 | 1939-11-22 | $7700.00 | Window Closed / Lapsed |