US2621669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Umbrella
Assignee: Individual
•
Filing: 1951-04-21
•
Granted: 1952-12-16
•
Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 Mayer Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
A; A45; A45B; A45B25/00; A45B25/02; A45B13/00; A45B19/00; A45B2019/008; Y; Y10; Y10T; Y10T29/00; Y10T29/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1199413A
Cited
US1924427A
Cited
US2004396A
Cited
US2213058A
Cited
US2404162A
Cited
US2493136A
Cited
US2595776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |