US2589015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain saw
Assignee: ENGINEERING RES Inc
•
Filing: 1947-07-22
•
Granted: 1952-03-11
•
Expires: 1967-07-22
Abstract
No abstract record available.
Inventors
- 👤 Merz Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:14
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; B27B33/141; Y; Y10; Y10T; Y10T83/00; Y10T83/909; Y10T83/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US279781A
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US485503A
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US815256A
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US1387605A
Cited
US1634645A
Cited
US1652295A
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DE593463C
Cited
US2326854A
Cited
US2351738A
Cited
US2351112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |