US2953095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic deep well pump with free compression column
Assignee: Individual
•
Filing: 1958-01-13
•
Granted: 1960-09-20
•
Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; F04F; F04F7/00; F04F7/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE20264C
Cited
US562285A
Cited
US991708A
Cited
US1580479A
Cited
US2444912A
Cited
US2680485A
Cited
DE816054C
Cited
US2699723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |