US3540724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-positionable exercising device
Assignee: WILLIAM D HUNTER
•
Filing: 1968-03-21
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Granted: 1970-11-17
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Expires: 1988-03-21
Abstract
No abstract record available.
Inventors
- 👤 William D Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:15
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/055; A63B21/0552; A63B21/00047; A63B71/00; A63B71/02; A63B71/023; A63B2071/026; A63B2071/027; A63B21/04; A63B21/0407; A63B21/0421; A63B21/0428; A63B2208/00; A63B2208/02; A63B2208/0242; A63B2208/0257; A63B2210/00; A63B2210/50; A63B23/00; A63B23/035; A63B23/04; A63B23/0482; A63B23/0488; A63B23/12; A63B23/1209; A63B23/1236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |