US2555746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill
Assignee: Individual
•
Filing: 1945-12-28
•
Granted: 1951-06-05
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Horsky Milo
- 👤 Rudi W Mandl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:51
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/109; B23B51/009; B23B2251/00; B23B2251/14; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455; Y10T408/89; Y10T408/895; Y10T408/8957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US162315A
Cited
US1304981A
Cited
GB126462A
Cited
US1499584A
Cited
US2276532A
Cited
US2325535A
Cited
US2409616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |