US2812110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple pump control system
Assignee: Bowser Inc
•
Filing: 1953-06-04
•
Granted: 1957-11-05
•
Expires: 1973-06-04
Abstract
No abstract record available.
Inventors
- 👤 Albert F Romanowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/70; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2066; G05D16/2073; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |