US3418955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication system for sewing machines
Assignee: Union Special Machine Co
•
Filing: 1966-04-20
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Granted: 1968-12-31
•
Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 John G Attwood
- 👤 Robert L Kosrow
- 👤 George M Reimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
D; D05; D05B; D05B71/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2145825A
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US2249284A
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US2345992A
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US2300388A
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US2385299A
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US2441942A
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US2863412A
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US3081723A
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US3084648A
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US3254740A
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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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |