Patent US3645955A successfully refreshed from Google Patents.
US2249309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Physical training appliance
Assignee: Individual
•
Filing: 1938-05-17
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Granted: 1941-07-15
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Expires: 1958-05-17
Abstract
No abstract record available.
Inventors
- 👤 Benko Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:12
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/20; A63B69/32; A63B69/22; A63B69/224; A63B2220/00; A63B2220/50; A63B2220/51; A63B2220/53; A63B2244/00; A63B2244/10
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) | 1944-07-14 | 1945-01-13 | 1945-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-14 | 1949-01-13 | 1949-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-14 | 1953-01-13 | 1953-07-15 | $7700.00 | Window Closed / Lapsed |