Patent US2778734A successfully refreshed from Google Patents.
US2778734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus and photographic product usable therewith
Assignee: Polaroid Corp
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Filing: 1951-11-03
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Granted: 1957-01-22
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Expires: 1971-11-03
Abstract
No abstract record available.
Inventors
- 👤 Murry N Fairbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:50
CPC Classifications
G; G03; G03D; G03D9/00; G03D9/02; G03D13/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A PHOTOGRTAPHIC PRODUCT COMPRISING A BASE HAVING A PAIR OF OPPOSED ELONGATED EDGES, A COATING ON ONE SIDE OF SAID BASE CAPABLE OF RECEIVING A PHOTOGRAPHIC IMAGE, SAID BASE AND SAID COATING BEING PRACTICALLY ELECTRICALLY NONCONDUCTING, SAID BASE AND SAID COATING BEING PROVIDED WITH A PLURALITY OF ROWS, EACH ROW IF SAID PLURALITY BEING ADJACENT TO ONE OF SAID PAIR OF ELONGATED EDGES AND PROVIDING A PLURALITY OF ELONGATED SLOTS ARRANGED IN END-TO-
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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) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |