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Patent US2960166A successfully refreshed from Google Patents.
US2960166A
Expired / Lapsed
US
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Well pump adapter
Assignee: Individual
•
Filing: 1957-04-03
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Granted: 1960-11-15
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Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Haydin Edward
- 👤 Luke N Reuter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:16
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/12; E21B33/00; Y; Y10; Y10S; Y10S285/00; Y10S285/91; Y10S285/918; Y10S285/922
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |