US2881811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimmer saw machine and selective control therefor
Assignee: Irvington Machine Works Inc
•
Filing: 1957-04-15
•
Granted: 1959-04-14
•
Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Haumann George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:40
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/29; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2332654A
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US2616501A
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US2652864A
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US2714407A
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US2679919A
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US2711197A
Cited
US2745446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |