US3622832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable tungsten halogen lamp
Assignee: Airequipt Inc
•
Filing: 1970-05-11
•
Granted: 1971-11-23
•
Expires: 1990-05-11
Abstract
Abstract An incandescent lamp of the type known as a halogen cycle lamp having a quartz envelope selectively positioned in a supporting base of the socket-type having a centering and stabilizing pin and surrounding electric prongs and formed for use interchangeably in sockets adapted for regular incandescent lamps.
Inventors
- 👤 Joseph H Schlessel
- 👤 Fred M Pintus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/42; H01K1/46; H01K1/18; H01K7/00; H01K7/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
A lamp as claimed in claim 1 in which the collar is ceramic.
Claim 2
Dependent Claim
25 words
A lamp as claimed in claim 1 in which one of the terminal pins is electrically coupled to the filament through a heat fusible link.
Claim 3
Dependent Claim
20 words
A lamp as claimed in claim 1 in which a light reflector is positioned within the envelope adjacent the filament.
References Cited (Backward Citations)
US2824995A
Cited
US3082345A
Cited
US3274426A
Cited
US3325665A
Cited
US3351802A
Cited
US3315216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |