US3148805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispenser
Assignee: Silgan Dispensing Systems Corp
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Filing: 1962-07-31
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Granted: 1964-09-15
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Douglas F Corsette
- 👤 Rex C Cooprider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:23
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1042; B05B11/1059; B05B11/106
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A PROTECTIVE OVERCAP FOR A DISPENSING PUMP PLUNGER, SAID OVERCAP BEING OF INVERTED CUP SHAPE DEFINING A SOCKET CLOSED AT ITS UPPER END AND OPEN AT ITS LOWER END FOR RECEPTION OF THE PLUNGER, AXIALLY EXTENDING RADIALLY INWARDLY PROJECTING LANDS WITHIN SAID SOCKET, SAID LANDS BEING RELATIVELY UNIFORMLY ANGULARLY SPACED AND DEFINING A PLURALITY OF AXIALLY EXTENDING GROOVES BETWEEN ADJOINING LANDS, THE BOTTOM AND SIDE WALLS OF SAID GROOVES BEING DISPOSED AT THE CORNERS OF A FIRST REGULAR POLYGON ON A COMMON SURFACE OF REVOLUTION, SAID LANDS HAVING INWARDLY DIRECTED FLAT SURFACES SUBSTANTIALLY COINCIDING WITH THE RESPECTIVE SIDES OF A SECOND REGULAR POLYGON, THE ANGLE BETWEEN THE FLAT SURFACES OF ADJOINING SAID LANDS BEING EQUAL TO A MULTIPLE OF ANGLE BETWEEN SAID SIDEWALLS OF EACH SAID GROOVE, SAID SURFACE OF REVOLUTION BEING OF GREATER DIAMETER THAN A CIRCLE CIRCUMSCRIBED ABOUT SAID SECOND REGULAR POLYGON.
References Cited (Backward Citations)
US2095622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |