US2666718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of sheet material with remoistenable gum coating
Assignee: Nashua Corp
•
Filing: 1950-05-25
•
Granted: 1954-01-19
•
Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 Austin E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:50
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/30; C09J7/32; C09J7/20; C09J7/21; Y; Y10; Y10T; Y10T428/00; Y10T428/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE METHOD OF PREPARING SHEET MATERIAL HAVING ADHERENT THERETO A THIN, MINUTELY POROUS FILM OF SOLIDIFIED GUM ADAPTED ON WATER MOISTENING OF THE SURFACE OF THE FILM TO DEVELOP AN ADHESIVE TACKINESS THEREIN COMPRISING PREPARING A COATABLE AQUEOUS SOLUTION OF THE GUM, ADDING THERETO MATERIAL IN ITSELF DECOMPOSABLE UNDER THE CONDITIONS OF DRYING WITH RESULTANT EVOLUTION OF CARBON DIOXIDE GAS TOGETHER WITH A VOIATILE INGREDIENT OF HIGH PH VALUE INHIBITIVE OF SUCH DECOMPOSITION AND VOLATILIZING UNDER THE CONDITIONS OF DRYING, COATING THE SHEET MATERIAL WITH A THIN FILM OF THE SO PREPARED COMPOSITION AND DRYING THE FILM TO DISSIPATE THE INHIBITING INGREDIENT GRADUALLY WITH CONSEQUENT GRADUAL EVOLUTION OF GAS CONCURRENTLY WITH THE SETTING OF THE GUM.
Claim 2
Independent Claim
116 words
THE METHOD OF PREPARING SHEET MATERIAL HAVING ADHERENT THERETO A THIN, MINUTELY POROUS FILM OF SOLIDIFIED GUM ADAPTED ON WATER MOISTENING OF THE SURFACE OF THE FILM TO DEVELOP AN ADHESIVE TACKINESS THEREIN COMPRISING PREPARING A COATABLE AQUEOUS SOLUTION OF THE GUM, ADDING THERETO MATERIAL IN ITSELF DECOMPOSABLE UNDER THE CONDITIONS OF DRYING WITH RESULTANT EVOLUTION OF CARBON DIOXIDE GAS TOGETHER WITH A VOIATILE INGREDIENT OF HIGH PH VALUE INHIBITIVE OF SUCH DECOMPOSITION AND VOLATILIZING UNDER THE CONDITIONS OF DRYING, COATING THE SHEET MATERIAL WITH A THIN FILM OF THE SO PREPARED COMPOSITION AND DRYING THE FILM TO DISSIPATE THE INHIBITING INGREDIENT GRADUALLY WITH CONSEQUENT GRADUAL EVOLUTION OF GAS CONCURRENTLY WITH THE SETTING OF THE GUM.
References Cited (Backward Citations)
US1685954A
Cited
US2158033A
Cited
US2167999A
Cited
US2323831A
Cited
US2400995A
Cited
US2436596A
Cited
US2424546A
Cited
GB575873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |