US1923025A
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Assignee: ERNEST L CHASE
•
Filing: 1931-06-13
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Granted: 1933-08-15
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Expires: 1951-06-13
Abstract
No abstract record available.
Inventors
- 👤 Lynn H Morse
- 👤 Thomas F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:30
CPC Classifications
E; E05; E05B; E05B67/00; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/439; Y10T70/443; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5637; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7497; Y10T70/7508; Y10T70/7559; Y10T70/7661; Y10T70/7757; Y10T70/778; Y10T70/7791; Y10T70/7881; Y10T70/7898
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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |