US3247849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump-type sprayer for liquids having a dual-purpose protective cap for pump sealing and directional spray control
Assignee: Silgan Dispensing Systems Corp
•
Filing: 1963-03-28
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Granted: 1966-04-26
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Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert D Wise
- 👤 Douglas F Corsette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:22
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/02; B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B12/00; B05B12/16; B05B12/32; B05B12/36; B05B11/0005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
A PUMP TYPE SPRAYER FOR LIQUIDS, COMPRISING A STATIONARY STRUCTURE INCLUDING A GENERALLY VERTICAL HOLLOW CYLINDRICAL PUMP BARREL, A CONTAINER CAP AND A CAPRETAINING COLLAR AT THE UPPER END OF SAID BARREL, AND A RECIPROCABLE STRUCTURE INCLUDING A PLUNGER RECIPROCALLY DISPOSED IN SAID BARREL TO PUMP LIQUID OUT OF THE BARREL, SAID PLUNGER HAVING A SLIDING FIT IN SAID COLLAR, AND HAVING AT ITS UPPER END AND ABOVE SAID COLLAR A SPRAY HEAD HAVING A DISCHARGE ORIFICE FOR LIQUID, A CHECK VALVE ASSOCIATED WITH SAID BARREL TO PREVENT DOWNWARD MOVEMENT OF LIQUID THEREIN, SAID PLUNGER BEING FORMED TO PROVIDE A DISCHARGE PASSAGE EXTENDING THERETHROUGH AND COMMUNICATING WITH
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |