US2708645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making coated paper receptacles
Assignee: Globe Envelopes Ltd
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Filing: 1953-06-22
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Granted: 1955-05-17
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Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel P Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/745
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF PREPARING A STIFFENED, LIQUID-RESISTANT RECEPTACLE, WHICH COMPRISES FORMING TO THE DESIRED SHAPE, APPLYING OT THE SURFACE OF THE SHAPED PAPER AN AQUEOUS DISPERSION OF A CURABLE AMINE-ALDEHYDE RESIN AND A THERMOPLASTIC RESIN HAVING REACTIVE SIDE GROUPS, AND SUBJECTING THE RESIN-TREATED SHAPED PAPER TO CONDITIONS TO BRING ABOUT CO-CONDENSATION OF THE AMINO RESIN AND THE THERMOPLASTIC RESIN.
Claim 2
Independent Claim
59 words
THE METHOD OF PREPARING A STIFFENED, LIQUID-RESISTANT RECEPTACLE, WHICH COMPRISES FORMING TO THE DESIRED SHAPE, APPLYING OT THE SURFACE OF THE SHAPED PAPER AN AQUEOUS DISPERSION OF A CURABLE AMINE-ALDEHYDE RESIN AND A THERMOPLASTIC RESIN HAVING REACTIVE SIDE GROUPS, AND SUBJECTING THE RESIN-TREATED SHAPED PAPER TO CONDITIONS TO BRING ABOUT CO-CONDENSATION OF THE AMINO RESIN AND THE THERMOPLASTIC RESIN.
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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |