US1813006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot exerciser
Assignee: MARCUS A COOLIDGE
•
Filing: 1930-02-05
•
Granted: 1931-07-07
•
Expires: 1950-02-05
Abstract
No abstract record available.
Inventors
- 👤 William D White
- 👤 Clifford J Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:09
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0237; A61H1/0266; A61H2201/00; A61H2201/12; A61H2201/1238
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) | 1934-07-06 | 1935-01-05 | 1935-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-06 | 1939-01-05 | 1939-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-06 | 1943-01-05 | 1943-07-07 | $7700.00 | Window Closed / Lapsed |