US3244819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bow for a spectacle hearing aid
Assignee: Siemens Reiniger Werke AG
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Filing: 1962-08-07
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Granted: 1966-04-05
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Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Sapara Franz
- 👤 Buttner Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:58
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/14; G02C5/143; G02C11/00; G02C11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A BOW FOR A SPECTACLE HEARING AID, SAID BOW HAVING A STRAIGHT PORTION AND A PORTION ANGULARLY EXTENDING THEREFROM AT THE REAR END THEREOF, CAVITIES FOR RECEIVING HEARING AID COMPONENTS BEING RESPECTIVELY FORMED IN SAID STRAIGHT PORTION AND IN SAID ANGULARLY EXTENDING PORTION, THE PART OF SAID BOW FORMING THE RTANSITION FROM SAID STRAIGHT PORTION TO SAID ANGULARLY EXTENDING PORTION BEING MADE OF SOLID MATERIAL AND SEPARATING THE RESPECTIVE PORTIONS HAVING CAVITIES FORMED THEREIN, A CHANNEL BEING FORMED IN SAID TRANSITION PART; WHEREIN THE CAVITY FORMED
Claim 2
Dependent Claim
86 words
A BOW FOR A SPECTACLE HEARING AID, SAID BOW HAVING A STRAIGHT PORTION AND A PORTION ANGULARLY EXTENDING THEREFROM AT THE REAR END THEREOF, CAVITIES FOR RECEIVING HEARING AID COMPONENTS BEING RESPECTIVELY FORMED IN SAID STRAIGHT PORTION AND IN SAID ANGULARLY EXTENDING PORTION, THE PART OF SAID BOW FORMING THE RTANSITION FROM SAID STRAIGHT PORTION TO SAID ANGULARLY EXTENDING PORTION BEING MADE OF SOLID MATERIAL AND SEPARATING THE RESPECTIVE PORTIONS HAVING CAVITIES FORMED THEREIN, A CHANNEL BEING FORMED IN SAID TRANSITION PART; WHEREIN THE CAVITY FORMED
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |