US3301253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ear protector
Assignee: Individual
•
Filing: 1965-01-21
•
Granted: 1967-01-31
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Glorig Aram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:40
CPC Classifications
A; A61; A61F; A61F11/00; A61F11/06; A61F11/08; A61F11/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
IN AN EAR PROTECTOR, THE COMBINATION OF: A PAIR OF EAR PLUGS OF RELATIVELY SOFT, YIELDABLE, RUBBERLIKE MATERIAL EACH PLUG COMPRISING A HEAD ENGAGEABLE WITH THE ENTRANCE TO THE AUDITORY CANAL, AND AN INTEGRAL REDUCED STEM EXTENDING OUTWARD FROM EACH HEAD, A RETAINER FOR EACH OF SAID PLUGS OF HARDER, YIELDABLE, RUBBER-LIKE MATERIAL, EMBODYING A HEAD AND AN INTEGRAL SLEEVE EACH EXTENDING THEREFROM, SAID HEADS AND SLEEVES HAVING AN AXIAL BORE WHICH IS DIMENSIONED TO TIGHTLY RECEIVE SAID STEMS, WITH THE ENDS OF SAID SLEEVES ABUTTING SAID HEADS, AND A RESILIENT HEADBAND HAVING SHANK EXTREMITIES WHICH PENETRATE AND ARE FRICTIONALLY GRIPPED BY SAID RETAINER HEADS AND SAID EAR PLUG STEMS AND WHICH LOCK SAID RETAINERS TO SAID STEMS.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |