US2838307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercising device
Assignee: Individual
•
Filing: 1956-10-11
•
Granted: 1958-06-10
•
Expires: 1976-10-11
Abstract
No abstract record available.
Inventors
- 👤 John J Drew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/15; A63B21/151; A63B21/40; A63B21/4027; A63B21/4033; A63B21/4035; A63B21/4041; A63B21/4043; A63B23/00; A63B23/035; A63B23/03508; A63B23/12; A63B2208/00; A63B2208/02; A63B2208/0285; A63B2208/029; A63B23/1209; A63B7/00
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) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |