US2261172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercising device
Assignee: Individual
•
Filing: 1939-11-20
•
Granted: 1941-11-04
•
Expires: 1959-11-20
Abstract
No abstract record available.
Inventors
- 👤 William H Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/023; A63B21/0004; A63B21/00058; A63B21/00069; A63B21/00072; A63B21/16; A63B21/169; A63B21/40; A63B21/4041; A63B21/4047; A63B21/04; A63B21/0407; A63B21/0421; A63B21/0428; A63B21/055; A63B2208/00; A63B2208/02; A63B2208/0204
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1944-11-03 | 1945-05-05 | 1945-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-03 | 1949-05-05 | 1949-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-03 | 1953-05-05 | 1953-11-04 | $7700.00 | Window Closed / Lapsed |