US3415137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing means
Assignee: CASALE ENGINEERING
•
Filing: 1967-04-07
•
Granted: 1968-12-10
•
Expires: 1987-04-07
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Casale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:17
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/02; F01L1/024; F01L1/026; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956
Claims Analysis
Total Claims: 0
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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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |