US3266797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic copying apparatus stripping mechanism and method
Assignee: Gevaert Photo Producten NV
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Filing: 1964-04-22
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Granted: 1966-08-16
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Stievenart Emile Frans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
G; G03; G03D; G03D9/00; B; B29; B29C; B29C63/00; B29C63/0004; B29C63/0013; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/1189
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A METHOD OF SEPARATING TWO ADHERING SHEETS OF SHEET MATERIAL WHICH COMPRISES THE STEPS OF FEEDING SAID ADHERING SHEETS LENGTHWISE INTO A SEPARATING ZONE; POSITIVELY CONSTRAINING ONE OF SAID SHEETS PASSING THROUGH SAID ZONE INTO AN ACRUATE PATH OF SMALL RADIUS RELATIVE TO THE SHEET LENGTH, WHILE LEAVING THE OTHER OF SAID SHEETS UNRESTRAINED AT LEAST ADJACENT ITS LEADING END; APPLYING TO THE OTHER OF SAID SHEETS ACROSS ITS WIDTH AT A POINT ON SAID ARCUATE PATH SLIDING FRICTIONAL RESISTANCE TO THE LENGTHWISE MOTON THEREOF, WHEREBY SAD OTHER SHEET IS CAUSED TO CURL AND SEPARATE FROM THE FIRST SHEET; AND REMOVING THE SHEETS FROM SAID SEPARATING ZONE ALONG SEPARATGE PATHS.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |