US2250674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm for fuel pumps
Assignee: EIDP Inc
•
Filing: 1938-11-12
•
Granted: 1941-07-29
•
Expires: 1958-11-12
Abstract
No abstract record available.
Inventors
- 👤 Mcburney Dorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F02; F02M; F02M59/00; F02M59/12; F02M59/14; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1323; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2549; Y10T442/2566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-07-28 | 1945-01-27 | 1945-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-28 | 1949-01-27 | 1949-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-28 | 1953-01-27 | 1953-07-29 | $7700.00 | Window Closed / Lapsed |