Patent US2887910A successfully refreshed from Google Patents.
US2887910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable adjustable drill press
Assignee: Individual
•
Filing: 1957-10-02
•
Granted: 1959-05-26
•
Expires: 1977-10-02
Abstract
No abstract record available.
Inventors
- 👤 Jr George D Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:09
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0057; B25H1/0064; B25H1/0071; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32254; Y10T403/32262; Y10T403/32286; Y10T408/00; Y10T408/55; Y10T408/554; Y10T408/564; Y10T408/5647
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2283722A
Cited
US1534271A
Cited
US1741044A
Cited
US1941348A
Cited
US2050709A
Cited
US2619879A
Cited
US2609162A
Cited
US2542427A
Cited
US2745688A
Cited
US2672770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |