Patent US233505A successfully refreshed from Google Patents.
Patent US2502275A successfully refreshed from Google Patents.
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 19:44
CPC Classifications
A; A45; A45C; A45C3/00; A45C3/02; Y; Y10; Y10S; Y10S190/00; Y10S190/90; Y10S190/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US255331A
Cited
US504840A
Cited
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 |