US2831687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercising bench
Assignee: Individual
•
Filing: 1956-12-12
•
Granted: 1958-04-22
•
Expires: 1976-12-12
Abstract
No abstract record available.
Inventors
- 👤 Grady W Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:38
CPC Classifications
A; A63; A63B; A63B23/00; A63B23/02; A63B23/0205; A63B23/0211; A63B21/00; A63B21/40; A63B21/4027; A63B21/4029; A63B2208/00; A63B2208/02; A63B2208/0242; A63B2208/0266; A63B2210/00; A63B2210/50
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |