US1422031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling machine
Assignee: EDWARD T WRAY
•
Filing: 1915-12-20
•
Granted: 1922-07-04
•
Expires: 1935-12-20
Abstract
No abstract record available.
Inventors
- 👤 Theodore P Caulkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:23
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/10; B23Q11/1038; B23Q11/1053; B23B; B23B39/00; Y; Y10; Y10S; Y10S29/00; Y10S29/057; Y10S29/081; Y10S29/096; Y10T; Y10T408/00; Y10T408/16; Y10T408/44; Y10T408/46; Y10T408/50; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56245; Y10T408/65; Y10T408/675; Y10T408/6786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1925-07-03 | 1926-01-02 | 1926-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-07-03 | 1930-01-02 | 1930-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-07-03 | 1934-01-02 | 1934-07-04 | $7700.00 | Window Closed / Lapsed |