US2687729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical appliance
Assignee: Individual
•
Filing: 1951-03-07
•
Granted: 1954-08-31
•
Expires: 1971-03-07
Abstract
No abstract record available.
Inventors
- 👤 William V Slavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:22
CPC Classifications
A; A61; A61M; A61M31/00; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61F6/00; A61F6/06; A61F6/08; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US706778A
Cited
US1401358A
Cited
US1732413A
Cited
US1748406A
Cited
US2218738A
Cited
US2386590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |