US2283183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing self-sealing tubes
Assignee: Individual
•
Filing: 1940-01-26
•
Granted: 1942-05-19
•
Expires: 1960-01-26
Abstract
No abstract record available.
Inventors
- 👤 Frank G Carnahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:19
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0681; B29D30/0685; B29C; B29C73/00; B29C73/16; B29C73/22; B60; B60C; B60C19/00; B60C19/12; B60C19/127; B29D2030/0686; B29D2030/0687; B29D2030/069; B29D2030/0691; B29L; B29L2030/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-05-18 | 1945-11-17 | 1946-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-18 | 1949-11-17 | 1950-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-18 | 1953-11-17 | 1954-05-19 | $7700.00 | Window Closed / Lapsed |