US2037049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas retaining fabrics and method of preparing the same
Assignee: Individual
•
Filing: 1933-10-04
•
Granted: 1936-04-14
•
Expires: 1953-10-04
Abstract
No abstract record available.
Inventors
- 👤 Theron P Sager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:52
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/347; D06M2200/00; D06M2200/10; D06M2200/12; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926; Y10T; Y10T442/00; Y10T442/20; Y10T442/2549
Claims Analysis
Total Claims: 0
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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) | 1939-04-14 | 1939-10-14 | 1940-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-14 | 1943-10-14 | 1944-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-14 | 1947-10-14 | 1948-04-14 | $7700.00 | Window Closed / Lapsed |