US2049953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep well tool socket
Assignee: Individual
•
Filing: 1934-09-17
•
Granted: 1936-08-04
•
Expires: 1954-09-17
Abstract
No abstract record available.
Inventors
- 👤 Richard R Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:00
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/02; Y; Y10; Y10T; Y10T403/00; Y10T403/54; Y10T403/57; Y10T403/5793; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T403/76
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) | 1939-08-04 | 1940-02-03 | 1940-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-04 | 1944-02-03 | 1944-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-04 | 1948-02-03 | 1948-08-04 | $7700.00 | Window Closed / Lapsed |