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Patent US2859075A successfully refreshed from Google Patents.
US2859075A
Expired / Lapsed
US
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Sheave assembly seal
Assignee: SKOOKUM CO Inc
•
Filing: 1955-04-29
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Granted: 1958-11-04
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Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Phillip A D Hobbs
- 👤 Joseph B Koeneke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/04; B66D2700/00; B66D2700/02; B66D2700/026; B66D2700/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US538011A
Cited
US607055A
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US1066276A
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US1492793A
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US1574799A
Cited
US1807038A
Cited
US1959697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |