US2007996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making stovepipe casing
Assignee: Individual
•
Filing: 1932-07-18
•
Granted: 1935-07-16
•
Expires: 1952-07-18
Abstract
No abstract record available.
Inventors
- 👤 Harold U Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:55
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/30; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5185; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501804
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) | 1938-07-15 | 1939-01-14 | 1939-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-15 | 1943-01-14 | 1943-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-15 | 1947-01-14 | 1947-07-16 | $7700.00 | Window Closed / Lapsed |