US3011806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanging apparatus
Assignee: Cooper Industries LLC
•
Filing: 1956-04-18
•
Granted: 1961-12-05
•
Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Allen Herbert
- 👤 John P Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:09
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/0422; F; F16; F16L; F16L39/00; F16L39/005; Y; Y10; Y10T; Y10T403/00; Y10T403/49; Y10T403/4958
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1533362A
Cited
US2496190A
Cited
US2508003A
Cited
US2690344A
Cited
US2689139A
Cited
US2874436A
Cited
US2920909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |