US2045384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing insulating mats
Assignee: Individual
•
Filing: 1935-01-23
•
Granted: 1936-06-23
•
Expires: 1955-01-23
Abstract
No abstract record available.
Inventors
- 👤 Gerb William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:29
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/07; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0733; B31F2201/0738; B31F2201/0741; B31F2201/0743; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24562
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |