Patent US4878133A successfully refreshed from Google Patents.
Patent US2370706A successfully refreshed from Google Patents.
US2370706A
Expired / Lapsed
US
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Drill
Assignee: Individual
•
Filing: 1943-11-29
•
Granted: 1945-03-06
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Expires: 1963-11-29
Abstract
No abstract record available.
Inventors
- 👤 Rudolf W Andreasson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:59
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/02; E; E21; E21B; E21B10/00; E21B10/44; E21B10/445; B23B2251/00; B23B2251/04; B23B2251/043; B23B2251/24; B23B2251/241; B23B2251/44; B23B2251/443; B23B2251/56; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9095; Y10T408/9097
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) | 1948-03-05 | 1948-09-04 | 1949-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-05 | 1952-09-04 | 1953-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-05 | 1956-09-04 | 1957-03-06 | $7700.00 | Window Closed / Lapsed |