US2502275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brief case
Assignee: Individual
•
Filing: 1947-05-16
•
Granted: 1950-03-28
•
Expires: 1967-05-16
Abstract
No abstract record available.
Inventors
- 👤 Perlin Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:33
CPC Classifications
A; A45; A45C; A45C3/00; A45C3/02; Y; Y10; Y10S; Y10S190/00; Y10S190/90; Y10S190/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255331A
Cited
US504840A
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FR569401A
Cited
US1818999A
Cited
US1977897A
Cited
US1999553A
Cited
US2017220A
Cited
US2068058A
Cited
US2173120A
Cited
US2226387A
Cited
US2325155A
Cited
US2321807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |