Patent US2873683A successfully refreshed from Google Patents.
US2873683A
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Floating non-sticking blades
Assignee: FARMINGDALE Corp
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Filing: 1956-06-05
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Granted: 1959-02-17
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Expires: 1976-06-05
Abstract
No abstract record available.
Inventors
- 👤 Walter A Sherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:03
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/108; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F04; F04D; F04D5/00; F04D5/001; F16C17/00; F16C17/02; F16C17/028; F16C33/1075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB466267A
Cited
NL45550C
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US595536A
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US607836A
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US713301A
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US767442A
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FR524822A
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US1361343A
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US1889822A
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US2396316A
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US2507151A
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US2621602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |