US1961604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill and attachment therefor
Assignee: Individual
•
Filing: 1932-07-20
•
Granted: 1934-06-05
•
Expires: 1952-07-20
Abstract
No abstract record available.
Inventors
- 👤 Broemme Frank
- 👤 Puder Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:10
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/108; B23B51/08; Y; Y10; Y10T; Y10T408/00; Y10T408/60; Y10T408/62; Y10T408/625; Y10T408/86; Y10T408/865; Y10T408/89; Y10T408/909; Y10T408/9098; Y10T82/00; Y10T82/12; Y10T82/125
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) | 1937-06-04 | 1937-12-04 | 1938-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-04 | 1941-12-04 | 1942-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-04 | 1945-12-04 | 1946-06-05 | $7700.00 | Window Closed / Lapsed |