Patent US3272115A successfully refreshed from Google Patents.
US3272115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous laminating press
Assignee: University of California Berkeley
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Filing: 1964-09-11
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Granted: 1966-09-13
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Franklin C Hurlbut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:36
CPC Classifications
B; B32; B32B; B32B37/00; B27; B27D; B27D3/00; B27D3/04; B30; B30B; B30B5/00; B30B5/04; B32B27/00; Y; Y10; Y10S; Y10S425/00; Y10S425/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A CONTINUOUS LAMINATING PRESS COMPRISING A FRAME, MEANS ON SAID FRAME FOR SUPPORTING A PLATE, MEANS ON SAID FRAME FOR SUPPORTING AN ENDLESS BELT WITH ONE RUN OF SAID BELT EXTENDING ADJACENT TO SAID PLATE, AN ENDLESS BELT ON SAID BELT SUPPORTING MEANS, A PRESSURE BOX HAVING AN OPENING ON ONE SIDE BOUNDED BY EDGES, MEANS FOR SUPPORTING SAID PRESSURE BOX ON SAID FRAME WITH SAID EDGES ADJACENT TO BUT SPACED FROM SAID BELT ON THE SIDE THEREOF OPPOSITE SAID PLATE TO LEAVE BETWEEN SAID EDGES AND SAID BELT A PREDETERMINED CLEARANCE PASSAGEWAY EXTENDING FROM SAID BOX TO THE ATMOSPHERE, AND MEANS FOR SUPPLYING AIR UNDER PRESSURE TO SAID PRESSURE BOX AND TO SAID PASSAGEWAY CONTINUOUS OUTFLOW THROUGH SAID PASSAGEWAY BETWEEN SAID EDGES AND SAID BELT, SAID OUTFLOWING AIR ACTING AS A SPACER BETWEEN SAID EDGES AND SAID BELT.
Claim 2
Dependent Claim
139 words
A CONTINUOUS LAMINATING PRESS COMPRISING A FRAME, MEANS ON SAID FRAME FOR SUPPORTING A PLATE, MEANS ON SAID FRAME FOR SUPPORTING AN ENDLESS BELT WITH ONE RUN OF SAID BELT EXTENDING ADJACENT TO SAID PLATE, AN ENDLESS BELT ON SAID BELT SUPPORTING MEANS, A PRESSURE BOX HAVING AN OPENING ON ONE SIDE BOUNDED BY EDGES, MEANS FOR SUPPORTING SAID PRESSURE BOX ON SAID FRAME WITH SAID EDGES ADJACENT TO BUT SPACED FROM SAID BELT ON THE SIDE THEREOF OPPOSITE SAID PLATE TO LEAVE BETWEEN SAID EDGES AND SAID BELT A PREDETERMINED CLEARANCE PASSAGEWAY EXTENDING FROM SAID BOX TO THE ATMOSPHERE, AND MEANS FOR SUPPLYING AIR UNDER PRESSURE TO SAID PRESSURE BOX AND TO SAID PASSAGEWAY CONTINUOUS OUTFLOW THROUGH SAID PASSAGEWAY BETWEEN SAID EDGES AND SAID BELT, SAID OUTFLOWING AIR ACTING AS A SPACER BETWEEN SAID EDGES AND SAID BELT.
References Cited (Backward Citations)
US1622817A
Cited
US756600A
Cited
US2135763A
Cited
US2928709A
Cited
US2937240A
Cited
US2981307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |