Patent US4532925A successfully refreshed from Google Patents.
US2889085A
Expired / Lapsed
US
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Drive means for calking gun plungers
Assignee: Individual
•
Filing: 1955-07-19
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Granted: 1959-06-02
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Expires: 1975-07-19
Abstract
No abstract record available.
Inventors
- 👤 Harold B Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:52
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/026; B; B05; B05C; B05C17/00; B05C17/005; B05C17/01; B05C17/0116; B05C17/012; B05C17/0123; B05C17/014; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1558; Y10T74/1587; Y10T74/1598
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1104328A
Cited
US1159938A
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US2074337A
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US2205604A
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US2233587A
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US2367347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |