US3403906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exerciser with grippers on a roller mounting shaft
Assignee: Individual
•
Filing: 1965-05-14
•
Granted: 1968-10-01
•
Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 Burzenski Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:07
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/20; A63B21/00; A63B21/40; A63B21/4027; A63B21/4033; A63B21/4035; A63B23/00; A63B23/02; A63B23/0205; A63B23/0211; A63B23/035; A63B23/03516; A63B71/00; A63B71/0054; A63B2071/0063; A63B2208/00; A63B2208/02; A63B2208/0214; A63B2208/12; A63B2209/00; A63B2225/00; A63B2225/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1113791A
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US1824920A
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US2286324A
Cited
US2528213A
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US2821394A
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US2920418A
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US2973962A
Cited
US3298687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |