Patent US2805587A successfully refreshed from Google Patents.
US2805587A
Expired / Lapsed
US
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Saw sharpener
Assignee: Individual
•
Filing: 1952-04-11
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Granted: 1957-09-10
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Expires: 1972-04-11
Abstract
No abstract record available.
Inventors
- 👤 Nelson C Goehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:05
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/08; B23D63/16; B23D63/162; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30784; Y10T409/308512
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA455128A
Cited
US2422871A
Cited
US2460189A
Cited
US2589165A
Cited
US2568062A
Cited
US2643553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |