US3481510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin unit gun-type dispenser for extrudable material in disposable cartridges
Assignee: ROBERT EDWARD ALLEN JR
•
Filing: 1968-05-22
•
Granted: 1969-12-02
•
Expires: 1988-05-22
Abstract
No abstract record available.
Inventors
- 👤 Robert Edward Allen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:05
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/01; B05C17/0116; B05C17/0133; A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/026; A61M2005/2403; A61M2005/2411; A61M2005/2485; A61M2005/2492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US563114A
Cited
US3124281A
Cited
GB518022A
Cited
US2582156A
Cited
US3078011A
Cited
US3308836A
Cited
US3339810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |