Patent US3698425A successfully refreshed from Google Patents.
US2990785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping system for truck tanks
Assignee: Individual
•
Filing: 1958-07-11
•
Granted: 1961-07-04
•
Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Carl F Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:45
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1167509A
Cited
US1435527A
Cited
US1522752A
Cited
US1497575A
Cited
US2258103A
Cited
US2557933A
Cited
US2580332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |