US3127113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic flash tube and reflector
Assignee: Rollei of America Inc
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Filing: —
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Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:34
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32; G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; G03B2215/00; G03B2215/05; G03B2215/0514; G03B2215/0517; G03B2215/0525; G03B2215/0532
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COMBINATION PHOTOGRAPHIC FLASH TUBE AND REFLECTOR, COMPRISING; A PLURALITY OF INDIVIDUAL SECTIONS FORMED OF SOLID LIGHT TRANSPARENT MATERIAL PLACED END TO END TO FORM AN ELONGATED MEMBER, EACH SECTION HAVING A FIRST SURFACE THEREOF FORMED OF A DIVERGING CURVE HAVING A FOCAL LINE WITHIN THAT SECTION, AND HAVING MATING END SURFACES, ELECTRICALLY CONDUCTIVE REFLECTOR MEANS ON SAID FIRST SURFACE, A NONREFLECTIVE COATING ON SAID END SURFACES, SAID FIRST SURFACE AND SAID END SURFACES DEFINING A CLOSED REFLECTOR, FLASH TUBE MEANS INCLUDING AN OPENING FORMED IN EACH OF SAID SECTIONS ALONG SAID FOCAL LINE, AND INCLUDING MAIN DISCHARGE ELECTRODES BETWEEN WHICH AN ELECTRICAL DISCHARGE MAY TAKE PLACE ALONG THE FOCAL LINE, AND ELECTRICAL STARTING MEANS INCLUDING SAID REFLECTOR MEANS ADAPTED TO INITIATE SUCH A DISCHARGE.
Claim 2
Dependent Claim
125 words
A COMBINATION PHOTOGRAPHIC FLASH TUBE AND REFLECTOR, COMPRISING; A PLURALITY OF INDIVIDUAL SECTIONS FORMED OF SOLID LIGHT TRANSPARENT MATERIAL PLACED END TO END TO FORM AN ELONGATED MEMBER, EACH SECTION HAVING A FIRST SURFACE THEREOF FORMED OF A DIVERGING CURVE HAVING A FOCAL LINE WITHIN THAT SECTION, AND HAVING MATING END SURFACES, ELECTRICALLY CONDUCTIVE REFLECTOR MEANS ON SAID FIRST SURFACE, A NONREFLECTIVE COATING ON SAID END SURFACES, SAID FIRST SURFACE AND SAID END SURFACES DEFINING A CLOSED REFLECTOR, FLASH TUBE MEANS INCLUDING AN OPENING FORMED IN EACH OF SAID SECTIONS ALONG SAID FOCAL LINE, AND INCLUDING MAIN DISCHARGE ELECTRODES BETWEEN WHICH AN ELECTRICAL DISCHARGE MAY TAKE PLACE ALONG THE FOCAL LINE, AND ELECTRICAL STARTING MEANS INCLUDING SAID REFLECTOR MEANS ADAPTED TO INITIATE SUCH A DISCHARGE.
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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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |