Patent US3062749A successfully refreshed from Google Patents.
US3062749A
Expired / Lapsed
US
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Composition and method for removing postage stamps
Assignee: Individual
•
Filing: 1958-09-02
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Granted: 1962-11-06
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Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Robert F Herrling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:13
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A SOLUTION FOR THE TREATMENT OF POSTAGE STAMPS ON PAPER BACKINGS TO REMOVE THE POSTAGE STAMPS WITHOUT IMPAIRMENT OF THE QUANTITY OF THE STAMPS CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A COMPOSITION COMPOSED OF 3-4 PARTS BY VOLUME OF P-ISOOCTYL PHENYL ETHER OF POLYETHYLENE GLYCOL AND ONE PART BY VOLUME OF ISOPROPYL ALCOHOL, SAID COMPOSITION BEING PRESENT IN SAID AQUEOUS SOLUTION IN THE PROPORTION OF 1-3 PARTS BY VOLUME OF SAID COMPOSITION TO 192 PARTS BY VOLUME OF WATER, SAID SOLUTION AT A TEMPERATURE IN THE RANGE OF 75-90*F. WHEN SPARSELY APPLIED TO THE PAPER BACKING BEING CAPABLE OF RETAINING THE ADHESIVE ON THE STAMP WHEN THE BACKING IS REMOVED.
Claim 2
Dependent Claim
111 words
A SOLUTION FOR THE TREATMENT OF POSTAGE STAMPS ON PAPER BACKINGS TO REMOVE THE POSTAGE STAMPS WITHOUT IMPAIRMENT OF THE QUANTITY OF THE STAMPS CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF A COMPOSITION COMPOSED OF 3-4 PARTS BY VOLUME OF P-ISOOCTYL PHENYL ETHER OF POLYETHYLENE GLYCOL AND ONE PART BY VOLUME OF ISOPROPYL ALCOHOL, SAID COMPOSITION BEING PRESENT IN SAID AQUEOUS SOLUTION IN THE PROPORTION OF 1-3 PARTS BY VOLUME OF SAID COMPOSITION TO 192 PARTS BY VOLUME OF WATER, SAID SOLUTION AT A TEMPERATURE IN THE RANGE OF 75-90*F. WHEN SPARSELY APPLIED TO THE PAPER BACKING BEING CAPABLE OF RETAINING THE ADHESIVE ON THE STAMP WHEN THE BACKING IS REMOVED.
References Cited (Backward Citations)
US2317505A
Cited
US1970578A
Cited
US2067327A
Cited
US2356254A
Cited
GB697315A
Cited
US2831815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |