US2865530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Access plug
Assignee: Individual
•
Filing: 1956-05-29
•
Granted: 1958-12-23
•
Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jay P Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:19
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/08; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6133; Y10T137/6154; Y10T137/7504; Y10T137/7613
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |