US2691600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerated cellulose container closure
Assignee: Akzo Nobel UK PLC
•
Filing: 1950-01-31
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Granted: 1954-10-12
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Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Almon V Warren
- 👤 Jr Thomas J Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:03
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0096; C; C04; C04B; C04B26/00; C04B26/02; C04B26/28; C04B26/285; C08; C08K; C08K3/00; C08K3/34; C08K3/40; B29L; B29L2031/00; B29L2031/56; B29L2031/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AS A NEW ARTICLE OF MANUFACTURE, A THIN REGENERATED CELLULOSE PRODUCT CONTAINING 10 TO 30 PER CENT FINELY GROUND GLASS AND 10 TO 30 PER CENT FINELY GROUND MICA BASED ON THE WEIGHT OF CELLULOSE.
Claim 2
Dependent Claim
35 words
AS A NEW ARTICLE OF MANUFACTURE, A THIN REGENERATED CELLULOSE PRODUCT CONTAINING 10 TO 30 PER CENT FINELY GROUND GLASS AND 10 TO 30 PER CENT FINELY GROUND MICA BASED ON THE WEIGHT OF CELLULOSE.
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) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |