US3560100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll-on applicators
Assignee: Spatz Labs
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Filing: 1969-03-10
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Granted: 1971-02-02
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Expires: 1989-03-10
Abstract
Abstract A SPRING-ACTUATED PISTON FORCES A FLUENT MASS IN A BARREL AGAINST A ROLLABLE BALL IN A FORWARD BARREL PORTION, THE LATTER HAVING A LEFT-HAND THREADED CONNECTION WITH A REARWARD BARREL PORTION WHOSE INNER WALL IS ELLIPTICAL AND SLIDABLY AND SEALINGLY ENGAGED BY THE PISTON. A CAP IS RELEASABLY COUPLED TO THE FORWARD BARREL PORTION. TURNING THE CAP TURNS THE FORWARD BARREL PORTION ON THE REARWARD BARREL PORTION, BINDING THE PISTON AGAINST THE WALL AND THEN THREADING THE FORWARD BARREL PORTION AWAY FROM THE PISTON TO RELIEVE THE FLUENT MASS OF THE SPRING PRESSURE.
Inventors
- 👤 Walter B Spatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:35
CPC Classifications
A; A61; A61M; A61M35/00; A61M35/003; A45; A45D; A45D34/00; A45D34/04; A45D34/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |