Patent US3015603A successfully refreshed from Google Patents.
US3015603A
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US
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Process of making felted containers
Assignee: Hawley Products Co
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Filing: 1957-08-12
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Granted: 1962-01-02
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Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hawley Don Milligan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:41
CPC Classifications
D; D21; D21F; D21F11/00; D21F9/00; D21F9/02; D21F9/04; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A CONTINNOUS PROCESS FOR MAKING CARTON BLANKS COMPRISING FORMING A CONTINUOUS, FIBROUS, THICK FELT FROM AN AQUEOUS SLURRY OF CELULOSIC FIBERS ON A FELT-FORMING MECHANISM OF A PAPER-MAKING MACHINE; PASSING THE CONTINUOUS, FIBROUS FELT, UPON LEAVING SAID FORMING MECHANISM, THROUGH A SERIES OF PAIRS OF SQUEEZE ROLLS AND THEREBY SQUEEZING WATER FROM SAID FELT, THE PRESSURE EXERTED BY EACH PAIR OF SQUEEZE ROLLS BEING PROGRESSIVELY GREATER SCORING IN THE SQUEEZED, WET FELT FOLD LINES EXTENDING LONGITUDINALLY OF AND LATERALLY ACROSS THE WET FELT FOR THE FOLDING OF SAID BLANK INTO BOX FORM; AND DRYING THE SCORED, WET FELT, ALL IN ONE CONTINUOUS OPERATION.
Claim 2
Dependent Claim
103 words
A CONTINNOUS PROCESS FOR MAKING CARTON BLANKS COMPRISING FORMING A CONTINUOUS, FIBROUS, THICK FELT FROM AN AQUEOUS SLURRY OF CELULOSIC FIBERS ON A FELT-FORMING MECHANISM OF A PAPER-MAKING MACHINE; PASSING THE CONTINUOUS, FIBROUS FELT, UPON LEAVING SAID FORMING MECHANISM, THROUGH A SERIES OF PAIRS OF SQUEEZE ROLLS AND THEREBY SQUEEZING WATER FROM SAID FELT, THE PRESSURE EXERTED BY EACH PAIR OF SQUEEZE ROLLS BEING PROGRESSIVELY GREATER SCORING IN THE SQUEEZED, WET FELT FOLD LINES EXTENDING LONGITUDINALLY OF AND LATERALLY ACROSS THE WET FELT FOR THE FOLDING OF SAID BLANK INTO BOX FORM; AND DRYING THE SCORED, WET FELT, ALL IN ONE CONTINUOUS OPERATION.
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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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |