US2600022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapping machine drive
Assignee: Individual
•
Filing: 1948-06-16
•
Granted: 1952-06-10
•
Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 Daniel H Prutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; F; F16; F16H; F16H3/00; F16H2712/00; F16H2712/02; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T408/65; Y10T408/675; Y10T408/76; Y10T74/00; Y10T74/19; Y10T74/19191; Y10T74/19205; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19409; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19833
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |