US2491282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making patches
Assignee: Individual
•
Filing: 1948-10-02
•
Granted: 1949-12-13
•
Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Marion H Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:26
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C69/00; B29C69/001; B29C48/00; B29C48/001; B29C48/0019; B29C48/03; B29C48/07; B29C48/08; B29C48/13; B29K; B29K2021/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/19; Y10T156/1978; Y10T156/1989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |