US2589165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain saw grinder
Assignee: Individual
•
Filing: 1950-01-16
•
Granted: 1952-03-11
•
Expires: 1970-01-16
Abstract
No abstract record available.
Inventors
- 👤 Toy John Albert
- 👤 Rethoret Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:54
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/003; B23D63/08; B23D63/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US107270A
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US142173A
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US261624A
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US1084824A
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US1812452A
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US2217145A
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US2318456A
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US2556794A
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US2347087A
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US2410828A
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US2459233A
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US2405365A
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US2413919A
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US2507371A
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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 |