Patent US2920399A successfully refreshed from Google Patents.
Patent US3127112A successfully refreshed from Google Patents.
US3127112A
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
2026-10-29 10:23
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32; G03B2215/00; G03B2215/05; G03B2215/0514; G03B2215/0517; G03B2215/0525; G03B2215/0532
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A UNITARY PHOTOGRAPHIC FLASH TUBE AND REFLECTOR, COMPRISING; A SOLID ELONGATED MEMBER OF LIGHT TRANSMITTING MATERIAL HAVING A SURFACE THEREOF FORMED OF A DIVERGING CURVE, SAID SURFACE HAVING A FOCAL LINE WITHIN SAID MEMBER, FLASH TUBE MEANS INCLUDING AN OPENING THROUGH SAID MATERIAL COINCIDENT WITH THE FOCAL LINE AND INCLUDING ELECTRODE MEANS MOUNTED AT SPACED POINTS, SAID ELECTRODE MEANS BEING ADAPTED TO BE CONNECTED TO A SOURCE OF VOLTAGE.
Claim 2
Dependent Claim
69 words
A UNITARY PHOTOGRAPHIC FLASH TUBE AND REFLECTOR, COMPRISING; A SOLID ELONGATED MEMBER OF LIGHT TRANSMITTING MATERIAL HAVING A SURFACE THEREOF FORMED OF A DIVERGING CURVE, SAID SURFACE HAVING A FOCAL LINE WITHIN SAID MEMBER, FLASH TUBE MEANS INCLUDING AN OPENING THROUGH SAID MATERIAL COINCIDENT WITH THE FOCAL LINE AND INCLUDING ELECTRODE MEANS MOUNTED AT SPACED POINTS, SAID ELECTRODE MEANS BEING ADAPTED TO BE CONNECTED TO A SOURCE OF VOLTAGE.
References Cited (Backward Citations)
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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 |