US2817523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chinning bar attachment
Assignee: Individual
•
Filing: 1956-09-24
•
Granted: 1957-12-24
•
Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 William N Lasky
- 👤 Norman N Tenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:44
CPC Classifications
A; A63; A63B; A63B1/00; A63B21/00; A63B21/16; A63B21/1618; A63B21/1645; A63B23/00; A63B23/035; A63B23/12; A63B23/1209; A63B23/1218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258146A
Cited
US1281318A
Cited
US1596346A
Cited
US1515242A
Cited
US1973448A
Cited
US2090108A
Cited
US2474060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |