Patent US5387549A successfully refreshed from Google Patents.
Patent US3420343A successfully refreshed from Google Patents.
US3420343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spindle clutch and brake mechanism
Assignee: Maremont Corp
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Filing: 1967-01-31
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Granted: 1969-01-07
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Expires: 1987-01-31
Abstract
No abstract record available.
Inventors
- 👤 Erhard Edwin Stiepel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:36
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/22; D01H7/2208; D01H7/2216; F; F16; F16D; F16D67/00; F16D67/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |