Patent DE606007C successfully refreshed from Google Patents.
Patent US3168647A successfully refreshed from Google Patents.
US3168647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film holders for strip film
Assignee: General Magnaplate Corp
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Filing: 1961-08-03
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Granted: 1965-02-02
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Expires: 1981-08-03
Abstract
No abstract record available.
Inventors
- 👤 Alan S Kollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:31
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/12; G03B; G03B17/00; G03B17/26; G03C; G03C3/00; G03C3/003
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A HOLDER FOR LENGTH OF FLIM COMPRISING A PAIR OF LONGITUDINALLY EXTENDING, FLAT FLEXIBLE AND RELATIVELY MOVABLE SHEET MEMBERS, EACH OF SAID MEMBERS BEING IN LENGTHWISE OVERLYING RELATION WITH THE OTHER, THE ADJACENT SURFACES OF SAID MEMBERS BEING OF OPAQUE PAPER, AND TAPE MEANS CONNECTED TO SAID SHEET MEMBERS TO CONNECT THE SAME TOGETHER LIGHT-TIGHTLY ALONG THE TRANSVERSE EDGES OF THEIR LENGTHS, SAID CONNECTING MEANS BEING FLEXIBLE AND YIELDABLE TO ENABLE SAID SHEET MEMBERS TO FLEX AND MOVE LENGTHWISE AND WIDTHWISE RELATIVE TO EACH OTHER WITHOUT DISTORTING THE SURFACES 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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |