US2701268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
dasher
Assignee: —
•
Filing: —
•
Granted: 1955-02-01
•
Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:02
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/143; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
THAT METHOD OF RECLAIMING CELLULOSE FIBER AND PLASTIC FROM SCRAP COMBINATIONS THEREOF WHICH INCLUDES THE STEPS OF COMMINUTING THE SCRAP, TREATING THE SCRAP WITH HYDROCHLORIC ACID VAPOR MADE BY BOILING AN AQUEOUS SOLUTION OF HC1 HAVING AN HC1 CONCENTRATION GREATER THAN THAT OF A CONSTANT BOILING MIXTURE AND SUCH THAT WHEN THE ACID VAPOR MIXES WITH THE WATER PRESENT IN THE SCRAP, THE HC1 CONCENTRATION PRESENT IN THE CONDENSED VAPOR ON THE SCRAP IS SUBSTANTIALLY THAT OF A CONSTANT BOILING
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |