US2815151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-drip calking gun and cartridge
Assignee: Individual
•
Filing: 1955-07-18
•
Granted: 1957-12-03
•
Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 Harold B Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
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; B05C17/00576; B05C17/014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US387234A
Cited
US1318928A
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US850583A
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US1270835A
Cited
FR750742A
Cited
US2115591A
Cited
US2233587A
Cited
US2367347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |