US2582741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph record molding compositions and records
Assignee: Agrashell Inc
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Filing: 1947-10-18
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Granted: 1952-01-15
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Expires: 1967-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:16
CPC Classifications
C; C08; C08L; C08L101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A THERMOPLASTIC PHONOGRAPH RECORD MOLDING COMPOSITION HAVING THEREIN AN EXTENDER COMPOSED OF A FINELY DIVIDED, HARD, LIGNO-CELLULOSE FILLER CONTAINING AT LEAST 45% OF COMBINED PENTOSANS, HEXOSANS AND LIGNINS THE PARTICLES OF WHICH ARE NOT MORE THAN 30 MICRONS IN DIAMETER AND 90% OF WHICH ARE FINER THAN 25 MICRONS.
Claim 2
Dependent Claim
49 words
A THERMOPLASTIC PHONOGRAPH RECORD MOLDING COMPOSITION HAVING THEREIN AN EXTENDER COMPOSED OF A FINELY DIVIDED, HARD, LIGNO-CELLULOSE FILLER CONTAINING AT LEAST 45% OF COMBINED PENTOSANS, HEXOSANS AND LIGNINS THE PARTICLES OF WHICH ARE NOT MORE THAN 30 MICRONS IN DIAMETER AND 90% OF WHICH ARE FINER THAN 25 MICRONS.
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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |