Patent US3087402A successfully refreshed from Google Patents.
US3087402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat dissipating photographic apparatus
Assignee: EIDP Inc
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Filing: 1960-06-23
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Granted: 1963-04-30
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Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Hamlin James Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
IN AN APPARATUS FOR EXPOSING LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL EMBODYING A SUPPORT FOR SAID MATERIAL AND A SOURCE OF ACTINIC RADIATION WHICH GIVES OFF APPRECIABLE HEAT FOR EXPOSING SAID MATERIAL, A HEAT DISSIPATING
Claim 2
Dependent Claim
32 words
IN AN APPARATUS FOR EXPOSING LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL EMBODYING A SUPPORT FOR SAID MATERIAL AND A SOURCE OF ACTINIC RADIATION WHICH GIVES OFF APPRECIABLE HEAT FOR EXPOSING SAID MATERIAL, A HEAT DISSIPATING
References Cited (Backward Citations)
US2301675A
Cited
US2740895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |