Patent US2674532A successfully refreshed from Google Patents.
US2674532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container for carrying a photographic processing composition
Assignee: Polaroid Corp
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Filing: 1952-01-14
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Granted: 1954-04-06
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Expires: 1972-01-14
Abstract
No abstract record available.
Inventors
- 👤 Norton T Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:54
CPC Classifications
G; G03; G03D; G03D9/00; G03D9/02; G03C; G03C8/00; G03C8/32; G03C8/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
AS A NEW PRODUCT, A DISPOSABLE CONTAINER COMPRISING A FIRST PORTION AND A SECOND PORTION, SAID PORTIONS BEING SUBSTANTIALLY SIMILAR IN PERIPHERAL OUTLINE, SAID PORTIONS BEING ALIGNED AND BONDED TOGETHER THROUGHOUT THEIR PERIPHERAL AREAS, EACH OF SAID PORTIONS HAVING A REARWARD EDGE ON ONE SIDE THEREOF AND A FORWARD EDGE ON THE OPPOSITE SIDE THEREOF, SAID PORTIONS PROVIDING A CAVITY FOR HOLDING A LIQUID, SAID PORTIONS BEING SUBSTANTIALLY IMPERVIOUS TO SAID LIQUID AND TO THE VAPOR OF SAID LIQUID, SAID PORTIONS BEING RELATIVELY WEAKLY BONDED AT THEIR REARWARD EDGES IN ORDER TO PROVIDE A RUPTURABLE, SEALED PASSAGE FOR SAID LIQUID, THE PERIPHERAL AREAS OF SAID SHEETS, EXCEPTING SAID REARWARD EDGE, BEING RELATIVELY STRONGLY BONDED TOGETHER, THE FORWARD EDGE OF THE FIRST PORTION BEING PROVIDED WITH TWO EXTENSIONS AT OPPOSITE ENDS THEREOF, THE FORWARD EDGE OF SAID SECOND PORTION BEING PROVIDED WITH TWO EXTENSIONS AT OPPOSITE EDGES THEREOF, ONE EACH OF SAID TWO EXTENSIONS OF SAID FIRST PORTION BEING ALIGNED WITH ONE EACH OF SAID TWO EXTENSIONS OF SAID SECOND PORTION TO FORM A PAIR OF ELEMENTS WHICH ARE ADAPTED TO SEPARATE A PAIR OF MEMBERS APPLYING PRESSURE ON OPPOSITE SIDES THEREOF.
Claim 2
Dependent Claim
191 words
AS A NEW PRODUCT, A DISPOSABLE CONTAINER COMPRISING A FIRST PORTION AND A SECOND PORTION, SAID PORTIONS BEING SUBSTANTIALLY SIMILAR IN PERIPHERAL OUTLINE, SAID PORTIONS BEING ALIGNED AND BONDED TOGETHER THROUGHOUT THEIR PERIPHERAL AREAS, EACH OF SAID PORTIONS HAVING A REARWARD EDGE ON ONE SIDE THEREOF AND A FORWARD EDGE ON THE OPPOSITE SIDE THEREOF, SAID PORTIONS PROVIDING A CAVITY FOR HOLDING A LIQUID, SAID PORTIONS BEING SUBSTANTIALLY IMPERVIOUS TO SAID LIQUID AND TO THE VAPOR OF SAID LIQUID, SAID PORTIONS BEING RELATIVELY WEAKLY BONDED AT THEIR REARWARD EDGES IN ORDER TO PROVIDE A RUPTURABLE, SEALED PASSAGE FOR SAID LIQUID, THE PERIPHERAL AREAS OF SAID SHEETS, EXCEPTING SAID REARWARD EDGE, BEING RELATIVELY STRONGLY BONDED TOGETHER, THE FORWARD EDGE OF THE FIRST PORTION BEING PROVIDED WITH TWO EXTENSIONS AT OPPOSITE ENDS THEREOF, THE FORWARD EDGE OF SAID SECOND PORTION BEING PROVIDED WITH TWO EXTENSIONS AT OPPOSITE EDGES THEREOF, ONE EACH OF SAID TWO EXTENSIONS OF SAID FIRST PORTION BEING ALIGNED WITH ONE EACH OF SAID TWO EXTENSIONS OF SAID SECOND PORTION TO FORM A PAIR OF ELEMENTS WHICH ARE ADAPTED TO SEPARATE A PAIR OF MEMBERS APPLYING PRESSURE ON OPPOSITE SIDES THEREOF.
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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |