US3370111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for making sheet material having a varying molecular orientation
Assignee: Polaroid Corp
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Filing: 1964-06-17
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Granted: 1968-02-20
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Expires: 1984-06-17
Abstract
No abstract record available.
Inventors
- 👤 Boone Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:02
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/045; B29C67/00; B29C67/0011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF PROVIDING A GIVEN PATTERN OF VARYING MOLECULAR ORIENTATION IN A DEFORMABLE PLASTIC FILM MATERIAL, COMPRISING THE SSTEPS OF ADVANCING LINGITUDINALLY A CONTINUOUS LENGTH OF SAID FILM MATERIAL IN A GIVEN DIRECTION AND AT A GIVEN RATE, APPLYING A COMPRESSIVE GRIPPING FORCE ACROSS SAID MATERIAL IN A NARROW BAND-LIKE AREA WHILE MAINTAINING ITS DIRECTIN AND RATE OF ADVANCEMENT, SOFTENING SAID FILM MATERIAL AT A LOCATION ADJACENT TO SAID BAND-LIKE AREA OF COMPRESSION, ADVANCING SIAD FILM MATERIAL LONGITUDINALLY IMMEDIATELY FOM SID SOFTENING LOCATION IN AT LEAST ONE DIRECTION AND AT A PLURALITY OF RATES WHICH ARE DIFFERENT, RESPECTIVELY, FORM SAID GIVEN DIRECTION AND SAID GIVEN RATE SO AS TO APPLY A PLURALITY OF GIVEN DIFFERENTIAL CONSTANTLY-VARYING TENSIONING FORCES THERETO IN A GIVEN SEQUENCE, THEREBY PROVIDING SAID PATTERN OF VARYING MOLECULAR ORIENTATION.
Claim 2
Independent Claim
132 words
A METHOD OF PROVIDING A GIVEN PATTERN OF VARYING MOLECULAR ORIENTATION IN A DEFORMABLE PLASTIC FILM MATERIAL, COMPRISING THE SSTEPS OF ADVANCING LINGITUDINALLY A CONTINUOUS LENGTH OF SAID FILM MATERIAL IN A GIVEN DIRECTION AND AT A GIVEN RATE, APPLYING A COMPRESSIVE GRIPPING FORCE ACROSS SAID MATERIAL IN A NARROW BAND-LIKE AREA WHILE MAINTAINING ITS DIRECTIN AND RATE OF ADVANCEMENT, SOFTENING SAID FILM MATERIAL AT A LOCATION ADJACENT TO SAID BAND-LIKE AREA OF COMPRESSION, ADVANCING SIAD FILM MATERIAL LONGITUDINALLY IMMEDIATELY FOM SID SOFTENING LOCATION IN AT LEAST ONE DIRECTION AND AT A PLURALITY OF RATES WHICH ARE DIFFERENT, RESPECTIVELY, FORM SAID GIVEN DIRECTION AND SAID GIVEN RATE SO AS TO APPLY A PLURALITY OF GIVEN DIFFERENTIAL CONSTANTLY-VARYING TENSIONING FORCES THERETO IN A GIVEN SEQUENCE, THEREBY PROVIDING SAID PATTERN OF VARYING MOLECULAR ORIENTATION.
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |