US2992570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling machines and the like
Assignee: James Archdale and Co Ltd
•
Filing: 1959-10-02
•
Granted: 1961-07-18
•
Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Raine Frederick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:06
CPC Classifications
B; B23; B23B; B23B41/00; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5612; Y10T408/5614; Y10T408/5616; Y10T408/91; Y10T408/93; Y10T408/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189821068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |