Patent US6226748B1 successfully refreshed from Google Patents.
US3188779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uniformly humidified paper tape
Assignee: National Gypsum Co
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Filing: 1962-04-05
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Granted: 1965-06-15
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Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Howard S Elden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:02
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/18; B65D81/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF PACKAGING ROLLS OF PAPER JOINT TAPE OF THE TYPE FOR USE INDRYWALL CONSTRUCTION, COMPRISING THE STEPS OF DISPOSING A TIGHTLY WOUND ROLL OF SURFACE ABRADED PAPER JOINT TAPE, HAVING A MOISTURE CONTENT OF LESS THAN ABOUT 7%, IN AN UNSEALED IMPERMEABLE CONTAINER, ALSO DISPOSING IN SAID CONTAINER FREE WATER IN SUFFICIENT QUANTITY TO INCREASE SAID MOISTURE CONTENT BY THE COMPLETE ABSORPTION OF SAID WATER TO ABOUT 9% TO 15%, IMMEDIATELY THEREAFTER SEALING SAID IMPERMEABLE CONTAINER CONTAINING SAID ROLL AND WATER, AND RETAINING SAID CONTAINER IN A SEALED IMPERMEABLE FORM DURING A UNIFORM ABSORPTON OF SAID WATER BY SAID PAPER.
Claim 2
Independent Claim
102 words
THE METHOD OF PACKAGING ROLLS OF PAPER JOINT TAPE OF THE TYPE FOR USE INDRYWALL CONSTRUCTION, COMPRISING THE STEPS OF DISPOSING A TIGHTLY WOUND ROLL OF SURFACE ABRADED PAPER JOINT TAPE, HAVING A MOISTURE CONTENT OF LESS THAN ABOUT 7%, IN AN UNSEALED IMPERMEABLE CONTAINER, ALSO DISPOSING IN SAID CONTAINER FREE WATER IN SUFFICIENT QUANTITY TO INCREASE SAID MOISTURE CONTENT BY THE COMPLETE ABSORPTION OF SAID WATER TO ABOUT 9% TO 15%, IMMEDIATELY THEREAFTER SEALING SAID IMPERMEABLE CONTAINER CONTAINING SAID ROLL AND WATER, AND RETAINING SAID CONTAINER IN A SEALED IMPERMEABLE FORM DURING A UNIFORM ABSORPTON OF SAID WATER BY SAID PAPER.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |