US2610066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: Gulf Research and Development Co
•
Filing: 1950-05-22
•
Granted: 1952-09-09
•
Expires: 1970-05-22
Abstract
No abstract record available.
Inventors
- 👤 Reginald J S Pigott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:25
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529; Y10T279/17564; Y10T279/17598
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287761A
Cited
US1557923A
Cited
US1912201A
Cited
US2193890A
Cited
US2282674A
Cited
US2282676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |