US2177465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off mechanism
Assignee: SAMUE M LANGSTON CO
•
Filing: 1938-06-29
•
Granted: 1939-10-24
•
Expires: 1958-06-29
Abstract
No abstract record available.
Inventors
- 👤 Sieg Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/20; B26D5/22; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4693; Y10T83/4766; Y10T83/4775
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) | 1942-10-23 | 1943-04-24 | 1943-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-23 | 1947-04-24 | 1947-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-23 | 1951-04-24 | 1951-10-24 | $7700.00 | Window Closed / Lapsed |