US3033692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for providing an effective water-vapor barrier on postage stamps and other adhesive surfaces
Assignee: Individual
•
Filing: 1959-10-08
•
Granted: 1962-05-08
•
Expires: 1979-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert F Herrling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
CPC Classifications
C; C09; C09D; C09D4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A COMPOSITION FOR APPLICATION TO ADHESIVE SURFACES THAT ARE NORMALLY SOFTENED AND RENDERED TACKY BY WATER FOR THE PURPOSE OF PROVIDING AN EFFECTIVE BARRIER TO WATERVAPOR CONSISTING OF A UNIFORM MIXTURE OF ABOUT 70-80 PARTS BY WEIGHT OF FINELY DIVIDED ZINC STEARATE, ABOUT 10-15 PARTS BY WEIGHT OF FINELY DIVIDED ZINC PALMITATE AND ABOUT 10-15 PARTS BY WEIGHT OF FINELY DIVIDED TALC.
Claim 2
Dependent Claim
62 words
A COMPOSITION FOR APPLICATION TO ADHESIVE SURFACES THAT ARE NORMALLY SOFTENED AND RENDERED TACKY BY WATER FOR THE PURPOSE OF PROVIDING AN EFFECTIVE BARRIER TO WATERVAPOR CONSISTING OF A UNIFORM MIXTURE OF ABOUT 70-80 PARTS BY WEIGHT OF FINELY DIVIDED ZINC STEARATE, ABOUT 10-15 PARTS BY WEIGHT OF FINELY DIVIDED ZINC PALMITATE AND ABOUT 10-15 PARTS BY WEIGHT OF FINELY DIVIDED TALC.
References Cited (Backward Citations)
US1429407A
Cited
US1707684A
Cited
US1818699A
Cited
US2218586A
Cited
US2608493A
Cited
US2809121A
Cited
US2852404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |