US1537437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimmer-saw mechanism
Assignee: METALLIC Manufacturing CO
•
Filing: 1923-02-01
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Granted: 1925-05-12
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Expires: 1943-02-01
Abstract
No abstract record available.
Inventors
- 👤 Graffinberger Gust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:50
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/16; B27B5/22; B27B5/228; B23; B23D; B23D47/00; B23D47/08; B23D47/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686; Y10T137/87169; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T83/00; Y10T83/768; Y10T83/7868; Y10T83/869; Y10T83/8759
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) | 1928-05-11 | 1928-11-10 | 1929-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-11 | 1932-11-10 | 1933-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-11 | 1936-11-10 | 1937-05-12 | $7700.00 | Window Closed / Lapsed |