Patent US3488676A successfully refreshed from Google Patents.
US3488676A
Expired / Lapsed
US
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Spindle shifter
Assignee: HABERLEIN PATENT CORP
•
Filing: 1968-07-31
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Granted: 1970-01-06
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Expires: 1988-07-31
Abstract
No abstract record available.
Inventors
- 👤 Joachim Bieniok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:23
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123969A
Cited
US2791086A
Cited
US2855750A
Cited
AT219462B
Cited
US3115743A
Cited
US3333408A
Cited
US3385047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |