US3259992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for winding stacks of sheets
Assignee: Lord Baltimore Press Inc
•
Filing: 1962-05-28
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Granted: 1966-07-12
•
Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Willard R Bonwit
- 👤 John J Hartlove
- 👤 William E Scherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:15
CPC Classifications
B; B65; B65H; B65H15/00; B65H15/02; B41; B41F; B41F23/00; B41F23/04; B41F23/044; B41F23/0443; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918; Y10T137/6921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF WINDING A STACK OF SHEETS IN FACE TO FACE CONTACT WITH EACH OTHER WHICH COMPRISES THE STEPS OF PLACING SAID STACK OF SHEETS ON EDGE, RELIEVING THE PRESSURE ON THE PORTION OF THE SHEETS ADJACENT ONE EDGE OF THE STACK, SIMULTANEOUSLY APPLYING PRESSURE ON THE PORTION OF THE SHEETS ADJACENT THE OPPOSITE EDGE THEREOF, AND PASSING AIR BETWEEN THE SHEETS IN SAID STACK WHILE SAID SHEETS ARE ASSEMBLED IN STACK FORMATION AND MAINTAINING SAID SHEETS IN STACK FORMATION IN AT LEAST PARTIAL FACE TO FACE CONTACT WITH EACH OTHER UNTIL AIR HAS BEEN PASSED BETWEEN ALL OF SAID SHEETS.
Claim 2
Independent Claim
102 words
THE METHOD OF WINDING A STACK OF SHEETS IN FACE TO FACE CONTACT WITH EACH OTHER WHICH COMPRISES THE STEPS OF PLACING SAID STACK OF SHEETS ON EDGE, RELIEVING THE PRESSURE ON THE PORTION OF THE SHEETS ADJACENT ONE EDGE OF THE STACK, SIMULTANEOUSLY APPLYING PRESSURE ON THE PORTION OF THE SHEETS ADJACENT THE OPPOSITE EDGE THEREOF, AND PASSING AIR BETWEEN THE SHEETS IN SAID STACK WHILE SAID SHEETS ARE ASSEMBLED IN STACK FORMATION AND MAINTAINING SAID SHEETS IN STACK FORMATION IN AT LEAST PARTIAL FACE TO FACE CONTACT WITH EACH OTHER UNTIL AIR HAS BEEN PASSED BETWEEN ALL OF SAID SHEETS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |