US2528980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber or latex article
Assignee: Individual
•
Filing: 1945-12-06
•
Granted: 1950-11-07
•
Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 Abraham N Spanel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:50
CPC Classifications
A; A41; A41C; A41C1/00; A41C1/02; A41C1/04; A42; A42B; A42B1/00; A42B1/04; A42B1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1837965A
Cited
US1746477A
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US1761302A
Cited
US1957732A
Cited
US2063232A
Cited
US2361682A
Cited
US2192837A
Cited
US2285659A
Cited
US2360736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |