US2094936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill support
Assignee: Individual
•
Filing: 1936-07-06
•
Granted: 1937-10-05
•
Expires: 1956-07-06
Abstract
No abstract record available.
Inventors
- 👤 Leo F Woodnal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:03
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0042; Y; Y10; Y10S; Y10S408/00; Y10S408/712; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6786
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) | 1940-10-04 | 1941-04-05 | 1941-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-04 | 1945-04-05 | 1945-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-04 | 1949-04-05 | 1949-10-05 | $7700.00 | Window Closed / Lapsed |