US2575257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive laminated paper and box stay tape
Assignee: American Reenforced Paper Co
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Filing: 1948-07-26
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Granted: 1951-11-13
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Expires: 1968-07-26
Abstract
No abstract record available.
Inventors
- 👤 James E Boulware
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:08
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T156/1052; Y10T156/1084; Y10T156/1087; Y10T428/00; Y10T428/24; Y10T428/2414; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24479; Y10T428/24488
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AS AN ARTICLE OF MANUFACTURE A MULTIPLY SHEET COMPOSED OF SUPERPOSED LAYERS AT LEAST ONE OF WHICH IS OF PAPER COMPRESSED TOGETHER AND SECURED BY AN INTERPOSED LAYER OF ASHESIVE HAVING REENFORCING FIBERS EMBEDDED THEREIN, THE ADHESIVE LAYER BEING SUBSTANTIALLY THINNER AT AND ADJACENT THE LATERAL EDGES OF THE SHEET THAN THROUGHOUT THE REMAINING BODY PORTION THEREOF, THE SAID LATERAL EDGES PRESENTING CUT FIBER ENDS AND BEING MORE HIGHLY COMPRESSED THAN THE BODY PORTION SO THAT THE EDGES ARE SECURELY BONDED AGAINST DELAMINATION.
Claim 2
Dependent Claim
83 words
AS AN ARTICLE OF MANUFACTURE A MULTIPLY SHEET COMPOSED OF SUPERPOSED LAYERS AT LEAST ONE OF WHICH IS OF PAPER COMPRESSED TOGETHER AND SECURED BY AN INTERPOSED LAYER OF ASHESIVE HAVING REENFORCING FIBERS EMBEDDED THEREIN, THE ADHESIVE LAYER BEING SUBSTANTIALLY THINNER AT AND ADJACENT THE LATERAL EDGES OF THE SHEET THAN THROUGHOUT THE REMAINING BODY PORTION THEREOF, THE SAID LATERAL EDGES PRESENTING CUT FIBER ENDS AND BEING MORE HIGHLY COMPRESSED THAN THE BODY PORTION SO THAT THE EDGES ARE SECURELY BONDED AGAINST DELAMINATION.
References Cited (Backward Citations)
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Cited
US1999283A
Cited
US2098909A
Cited
US2089405A
Cited
US2339489A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |