US3512756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurizable elastomeric thrusting device
Assignee: Dike-O-Seal Inc
•
Filing: 1967-09-05
•
Granted: 1970-05-19
•
Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Ernie K Cleland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:08
CPC Classifications
B; B22; B22C; B22C17/00; B22C7/00; B22C7/06; B22C7/067; F; F15; F15B; F15B15/00; F15B15/08; F15B15/10; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1021; Y10T279/1024; Y10T279/1029; Y10T279/12; Y10T279/1216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2070960A
Cited
US2480477A
Cited
DE878100C
Cited
US2843038A
Cited
US3225396A
Cited
US3238576A
Cited
US3374983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |