US2638147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means
Assignee: Individual
•
Filing: 1950-02-02
•
Granted: 1953-05-12
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Nebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:27
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/90; B29C66/93; B29C66/934; B31; B31B; B31B70/00; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2466387A
Cited
US2125758A
Cited
US2422725A
Cited
US2444685A
Cited
US2467879A
Cited
US2491048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |