US2612421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desk
Assignee: Individual
•
Filing: 1947-05-20
•
Granted: 1952-09-30
•
Expires: 1967-05-20
Abstract
No abstract record available.
Inventors
- 👤 Bargen William James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:23
CPC Classifications
A; A47; A47B; A47B87/00; A47B87/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1293952A
Cited
US1606103A
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US1886766A
Cited
US2343356A
Cited
US2106443A
Cited
US2228587A
Cited
US2230444A
Cited
US2233003A
Cited
US2354106A
Cited
US2387506A
Cited
US2386092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |