US3136649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cellulosic products
Assignee: Kimberly Clark Corp
•
Filing: 1961-02-23
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Granted: 1964-06-09
•
Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank S Keahey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:04
CPC Classifications
D; D03; D03J; D03J1/00; D03J1/06; D03J1/08; B; B26; B26F; B26F1/00; B26F1/26; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0591; Y10T83/364; Y10T83/647; Y10T83/6584; Y10T83/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF PERFORATING WEB-LIKE SHEET STOCK CONSISTING OF THE STEPS OF CONTINUOUSLY MOVING SAID STOCK IN SLIDING RELATION OVER A FIXED APERTURED SUPPORTING MEMBER WITH SAID STOCK BRIDGING THE APERTURE WHILE BEING SUPPORTED IN AREAS MARGINALLY THEREOF, AND INTERMITTENTLY DIRECTING A HIGH VELOCITY LIQUID STEAM OF PREDETERMINED SHAPE AGAINST THE APERTURE-BRIDGING PORTION OF SAID STOCK WHILE SAID STOCK MOVES OVER SAID MEMBER OF EFFECT DISINTEGRATION AND REMOVAL OF A PORTION THEREOF THROUGH THE APERTURED MEMBER, AND PROVIDED LINEARLY SPACED APERTURES IN SAID STOCK OF THE SAME CONFIGURATION AS THE SHAPE OF SAID LIQUID STEAM.
Claim 2
Independent Claim
95 words
THE METHOD OF PERFORATING WEB-LIKE SHEET STOCK CONSISTING OF THE STEPS OF CONTINUOUSLY MOVING SAID STOCK IN SLIDING RELATION OVER A FIXED APERTURED SUPPORTING MEMBER WITH SAID STOCK BRIDGING THE APERTURE WHILE BEING SUPPORTED IN AREAS MARGINALLY THEREOF, AND INTERMITTENTLY DIRECTING A HIGH VELOCITY LIQUID STEAM OF PREDETERMINED SHAPE AGAINST THE APERTURE-BRIDGING PORTION OF SAID STOCK WHILE SAID STOCK MOVES OVER SAID MEMBER OF EFFECT DISINTEGRATION AND REMOVAL OF A PORTION THEREOF THROUGH THE APERTURED MEMBER, AND PROVIDED LINEARLY SPACED APERTURES IN SAID STOCK OF THE SAME CONFIGURATION AS THE SHAPE OF SAID LIQUID STEAM.
References Cited (Backward Citations)
US720593A
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US1157754A
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US1699760A
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US2006499A
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US2862251A
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US2985050A
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US3073714A
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |