Patent US1853791A successfully refreshed from Google Patents.
Patent US2055152A successfully refreshed from Google Patents.
US2055152A
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Assignee: Individual
•
Filing: 1935-09-17
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Granted: 1936-09-22
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Expires: 1955-09-17
Abstract
No abstract record available.
Inventors
- 👤 Le Roy T Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:40
CPC Classifications
B; B42; B42F; B42F21/00; B42F21/06; B42F21/08; Y; Y10; Y10S; Y10S24/00; Y10S24/08; Y10S24/10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T24/44786
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) | 1939-09-22 | 1940-03-23 | 1940-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-09-22 | 1944-03-23 | 1944-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-09-22 | 1948-03-23 | 1948-09-22 | $7700.00 | Window Closed / Lapsed |