US2921790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic apparatus
Assignee: Individual
•
Filing: 1958-02-11
•
Granted: 1960-01-19
•
Expires: 1978-02-11
Abstract
No abstract record available.
Inventors
- 👤 Nawara Jozef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:02
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/15; A63B21/151; A63B21/154; A63B23/00; A63B21/06; A63B21/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1582487A
Cited
US1693810A
Cited
GB393031A
Cited
FR843619A
Cited
US2198947A
Cited
US2446275A
Cited
US2880720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |