US2590283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple spindle drill apparatus
Assignee: Individual
•
Filing: 1945-05-28
•
Granted: 1952-03-25
•
Expires: 1965-05-28
Abstract
No abstract record available.
Inventors
- 👤 John L Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:13
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/20; B23B39/205; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5152; Y10T29/5154; Y10T29/5157; Y10T408/00; Y10T408/36; Y10T408/37; Y10T408/60; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/68; Y10T408/70; Y10T408/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1461755A
Cited
US734572A
Cited
US1104517A
Cited
US1681288A
Cited
US1760843A
Cited
GB465065A
Cited
US2227582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |