Patent US3255935A successfully refreshed from Google Patents.
US3255935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensers for fluent masses
Assignee: Individual
•
Filing: 1965-03-29
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Granted: 1966-06-14
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Walter B Spatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:22
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/02; B67D7/0205; B65; B65D; B65D83/00; B65D83/76; B65D83/763
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A DISPENSER FOR A FLUENT MASS: A CONTAINER FOR THE MASS HAVING AN OUTLET OPENING DIRECTLY TO THE EXTERIOR OF SAID CONTAINER, SAID CONTAINER BEING OF A SIZE TO BE HELD IN A PERSON''S HAND; PISTON MEANS IN SAID CONTAINER MOVABLE IN A FORWARD DIRECTION TOWARD SAID OUTLET AND AGAINST THE MASS IN THE CONTAINER; MEANS FOR RESISTING MOVEMENT OF SAID PISTON MEANS IN SAID CONTAINER IN A REARWARD DIRECTION WHILE PERMITTING MOVEMENT OF SAID PISTON MEANS IN A FORWARD DIRECTION; HAND-OPERATED ACTUATING MEANS IN SAID CONTAINER AND DISPOSED TO ONE SIDE OF SAID OUTLET TO AVOID INTERFERENCE WITH THE MASS FLOWING THROUGH SAID OUTLET; SPRING MEANS FOR SHIFTING SAID ACTUATING MEANS IN A FORWARD DIRECTION IN SAID CONTAINER; AND CLUTCHING MEANS FOR COUPLING SAID PISTON MEANS TO SAID ACTUATING MEANS FOR FORWARD MOVEMENT THEREWITH WHILE PERMITTING REARWARD MOVEMENT OF SAID ACTUATING MEANS RELATIVE TO SAID PISTON MEANS.
Claim 2
Dependent Claim
149 words
IN A DISPENSER FOR A FLUENT MASS: A CONTAINER FOR THE MASS HAVING AN OUTLET OPENING DIRECTLY TO THE EXTERIOR OF SAID CONTAINER, SAID CONTAINER BEING OF A SIZE TO BE HELD IN A PERSON''S HAND; PISTON MEANS IN SAID CONTAINER MOVABLE IN A FORWARD DIRECTION TOWARD SAID OUTLET AND AGAINST THE MASS IN THE CONTAINER; MEANS FOR RESISTING MOVEMENT OF SAID PISTON MEANS IN SAID CONTAINER IN A REARWARD DIRECTION WHILE PERMITTING MOVEMENT OF SAID PISTON MEANS IN A FORWARD DIRECTION; HAND-OPERATED ACTUATING MEANS IN SAID CONTAINER AND DISPOSED TO ONE SIDE OF SAID OUTLET TO AVOID INTERFERENCE WITH THE MASS FLOWING THROUGH SAID OUTLET; SPRING MEANS FOR SHIFTING SAID ACTUATING MEANS IN A FORWARD DIRECTION IN SAID CONTAINER; AND CLUTCHING MEANS FOR COUPLING SAID PISTON MEANS TO SAID ACTUATING MEANS FOR FORWARD MOVEMENT THEREWITH WHILE PERMITTING REARWARD MOVEMENT OF SAID ACTUATING MEANS RELATIVE TO SAID PISTON MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |