US3129622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank forming machine and method of die cutting blanks
Assignee: STANDARD ENVELOPE Manufacturing CO
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Filing: 1961-04-24
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Granted: 1964-04-21
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/14; B31B70/142; B31B2160/00; B31B2160/10; B31B2160/104; B31B2160/106; B31B70/20; Y; Y10; Y10S; Y10S83/00; Y10S83/911; Y10T; Y10T83/00; Y10T83/04; Y10T83/0505; Y10T83/051; Y10T83/444; Y10T83/4475; Y10T83/4478; Y10T83/4486; Y10T83/463; Y10T83/4632; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/869; Y10T83/8752; Y10T83/8756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
THE METHOD OF CUTTING BLANK FROM A PILE OF SHEETS OF PAPER OR THE LIKE COMPRISING THE STEPS OF SUSPENDING A PILE OF SAID SHEETS FROM ONE EDGE OF THE PILE TO HANG FREELY IN A VERTICAL PLANE, PROVIDING VERTICALLY DISPOSED BACKING, RECURRENTLY PRESSING A CUTTING DIE INTO SAID PILE AND AGAINST SAID BACKING WITHOUT COMPRISING SAID PILE BELOW SAID ONE EDGE AT DIFFERENT LOCATIONS TO CUT BLANKS THEREFROM AT EACH OF SAID LOCATIONS, AND SHIFTING SAID PILE HORIZONTALLY AND VERTICALLY IN SAID VERTICAL PLANE TO ALIGN THE DIE WITH SUCCESSIVE OF SAID DIFFERENT LOCATION BETWEEN RECURRENT PRESSING ACTIONS OF SAID CUTTING DIE INTO SAID PILE WHILE PERMITTING THE UNCOMPRESSED PILE TO ADJUST ITSELF BY GRAVITY TO THE DISTORTIONS CAUSED BY THE PRESSING OF THE CUTTING DIE INTO SAID PILE.
Claim 2
Independent Claim
130 words
THE METHOD OF CUTTING BLANK FROM A PILE OF SHEETS OF PAPER OR THE LIKE COMPRISING THE STEPS OF SUSPENDING A PILE OF SAID SHEETS FROM ONE EDGE OF THE PILE TO HANG FREELY IN A VERTICAL PLANE, PROVIDING VERTICALLY DISPOSED BACKING, RECURRENTLY PRESSING A CUTTING DIE INTO SAID PILE AND AGAINST SAID BACKING WITHOUT COMPRISING SAID PILE BELOW SAID ONE EDGE AT DIFFERENT LOCATIONS TO CUT BLANKS THEREFROM AT EACH OF SAID LOCATIONS, AND SHIFTING SAID PILE HORIZONTALLY AND VERTICALLY IN SAID VERTICAL PLANE TO ALIGN THE DIE WITH SUCCESSIVE OF SAID DIFFERENT LOCATION BETWEEN RECURRENT PRESSING ACTIONS OF SAID CUTTING DIE INTO SAID PILE WHILE PERMITTING THE UNCOMPRESSED PILE TO ADJUST ITSELF BY GRAVITY TO THE DISTORTIONS CAUSED BY THE PRESSING OF THE CUTTING DIE INTO SAID PILE.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |