US1697957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abdominal exercising device
Assignee: Individual
•
Filing: 1927-04-28
•
Granted: 1929-01-08
•
Expires: 1947-04-28
Abstract
No abstract record available.
Inventors
- 👤 Sylvester W Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:13
CPC Classifications
A; A61; A61H; A61H7/00; A61H7/001; A61H2201/00; A61H2201/12; A61H2201/1253; A61H2201/1261; A61H2201/1284
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) | 1932-01-08 | 1932-07-09 | 1933-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-08 | 1936-07-09 | 1937-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-08 | 1940-07-09 | 1941-01-08 | $7700.00 | Window Closed / Lapsed |