US3139094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush kit
Assignee: Individual
•
Filing: 1962-02-12
•
Granted: 1964-06-30
•
Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Efeian Souren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:39
CPC Classifications
A; A45; A45D; A45D44/00; A45D44/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A DENTAL APPLIANCE, COMPRISING A HOLLOW, FLEXIBLE PLASTIC CASING OPEN AT OPPOSITE ENDS, A PLUG FRICTIONALLY FITTED AND SLIDABLE IN THE CASING, A SHAFT CARRIED BY THE PLUG AND EXTENDING AXIALLY OF THE PLUG AND CASING, A HEAD SLIDABLY CARRIED BY THE SHAFT AND FITTINGLY RECEIVED IN THE CASING, SAID HEAD INCLUDING A FLEXIBLE CORE HAVING A CENTRAL BORE SLIDABLY RECEIVING SAID SHAFT, A SPONGY POROUS COVER SURROUNDING SAID CORE, SAID CASING HAVING LATERAL GROOVES INSIDE OPPOSING FLEXIBLE WALLS THEREOF, AND A PASTE DENTIFRICE IN THE GROOVES EXPOSED TO SAID COVER WHEN INSIDE THE CASING FOR DISCHARGING UPON SIDE COVER WHEN SIDE WALLS ARE SQUEEZED INWARDLY.
Claim 2
Dependent Claim
106 words
A DENTAL APPLIANCE, COMPRISING A HOLLOW, FLEXIBLE PLASTIC CASING OPEN AT OPPOSITE ENDS, A PLUG FRICTIONALLY FITTED AND SLIDABLE IN THE CASING, A SHAFT CARRIED BY THE PLUG AND EXTENDING AXIALLY OF THE PLUG AND CASING, A HEAD SLIDABLY CARRIED BY THE SHAFT AND FITTINGLY RECEIVED IN THE CASING, SAID HEAD INCLUDING A FLEXIBLE CORE HAVING A CENTRAL BORE SLIDABLY RECEIVING SAID SHAFT, A SPONGY POROUS COVER SURROUNDING SAID CORE, SAID CASING HAVING LATERAL GROOVES INSIDE OPPOSING FLEXIBLE WALLS THEREOF, AND A PASTE DENTIFRICE IN THE GROOVES EXPOSED TO SAID COVER WHEN INSIDE THE CASING FOR DISCHARGING UPON SIDE COVER WHEN SIDE WALLS ARE SQUEEZED INWARDLY.
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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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |