US3249749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable lamp structure
Assignee: Stewart R Browne Mfg Co Inc
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Filing: 1963-08-12
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Granted: 1966-05-03
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Paul C Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:38
CPC Classifications
F; F21; F21L; F21L14/00; F21L14/02; F21L14/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN EXPLOSION-PROOF PORTABLE LAMP STRUCTURE INCLUDING AN EXTERNAL UNITARY STRUCTURE AND A REMOVABOE INTERNAL UNITARY STRUCTURE POSITIONED WITHIN SAID EXTERNAL STRUCTURE, SAID EXTERNAL STRUCTURE INCLUDING A HANDLE HAVING A BORE THEREIN AND AN ELONGATED PROTECTIVE ELEMENT TO RECEIVE A LAMP, SAID PROTECTIVE ELEMENT INCLUDING A SHIELD HAVING OPENINGS THEREIN AND A TRANSPARENT GLOBE POSITIONED WITHIN SAID SHIELD, SAID SHIELD AND SAID HANDLE BEING SECURED TOGETHER IN AXIAL ALIGNMENT AGAINST RELATIVE MOVEMENT, SAID INTERNAL STRUCUTE INCLUDING AN ELONGATED FRAME MEMBER WHICH IS POSITIONED PARTIALLY WITHIN SAID SHIELD
Claim 2
Dependent Claim
86 words
AN EXPLOSION-PROOF PORTABLE LAMP STRUCTURE INCLUDING AN EXTERNAL UNITARY STRUCTURE AND A REMOVABOE INTERNAL UNITARY STRUCTURE POSITIONED WITHIN SAID EXTERNAL STRUCTURE, SAID EXTERNAL STRUCTURE INCLUDING A HANDLE HAVING A BORE THEREIN AND AN ELONGATED PROTECTIVE ELEMENT TO RECEIVE A LAMP, SAID PROTECTIVE ELEMENT INCLUDING A SHIELD HAVING OPENINGS THEREIN AND A TRANSPARENT GLOBE POSITIONED WITHIN SAID SHIELD, SAID SHIELD AND SAID HANDLE BEING SECURED TOGETHER IN AXIAL ALIGNMENT AGAINST RELATIVE MOVEMENT, SAID INTERNAL STRUCUTE INCLUDING AN ELONGATED FRAME MEMBER WHICH IS POSITIONED PARTIALLY WITHIN SAID SHIELD
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |