US3276072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming regenerated cellulose sponge
Assignee: Nylonge Corp
•
Filing: 1963-09-11
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Granted: 1966-10-04
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Politzer Alfred
- 👤 Teng James
- 👤 Pekarek Frank
- 👤 Alvin B Shockley
- 👤 Siebrecht Albert
- 👤 Wang Pao-Chi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:00
CPC Classifications
B; B29; B29C; B29C44/00; Y; Y10; Y10S; Y10S425/00; Y10S425/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A REGENERATED CELLULOSE SPONGE PRODUCING APPARATUS COMPRISING AN ENDLESS CONVEYOR BELT HAVING A LONGITUDINALLY EXTENDING UPPER RUN WITH A SECTION THEREOF DOWNWARDLY TRANSVERSELY INCLINED APPROACHING A LONGITUDINAL EDGE OF SAID CONVEYOR BELT AND INCLUDING A TRAILING SECTION AND A LEADING SECTION, MEANS FOR ADVANCING SAID BELT LONGITUDINALLY ALONG SAID UPPER RUN FROM SAID TRAILING SECTION TOWARD SAID LEADING SECTION, MEANS FOR DEPOSITING A LAYER OF AN ELECTRICALLY CONDUCTIVELY SPONGE FORMING MASS ON SAID BELT AND SAID TRAILING SECTION, AND A PAIR OF TRANSVERSELY SPACED ELECTRODES CONNECTED TO A SOURCE OF CURRENT AND EXTENDING LONGITUDINALLY ALONG SAID BELT UPPER RUN AND ADAPTED TO ELECTRICALLY ENGAGE OPPOSITE LONGITUDINAL EDGES OF SAID MASS LAYER UPON SAID BELT ALONG SAID TRANSVERSELY INCLINED RUN TO EFFECT THE INTERNAL ELECTRICAL HEATING THEREOF SAID TRANSVERSE INCLINATION OF SAID CONVEYOR BELT PROVIDING A DRAINAGE OF LIQUID FROM SAID MASS LAYER TO PROMOTE A UNIFORM HEATING ACROSS THE WIDTH OF SAID MASS LAYER.
Claim 2
Dependent Claim
154 words
A REGENERATED CELLULOSE SPONGE PRODUCING APPARATUS COMPRISING AN ENDLESS CONVEYOR BELT HAVING A LONGITUDINALLY EXTENDING UPPER RUN WITH A SECTION THEREOF DOWNWARDLY TRANSVERSELY INCLINED APPROACHING A LONGITUDINAL EDGE OF SAID CONVEYOR BELT AND INCLUDING A TRAILING SECTION AND A LEADING SECTION, MEANS FOR ADVANCING SAID BELT LONGITUDINALLY ALONG SAID UPPER RUN FROM SAID TRAILING SECTION TOWARD SAID LEADING SECTION, MEANS FOR DEPOSITING A LAYER OF AN ELECTRICALLY CONDUCTIVELY SPONGE FORMING MASS ON SAID BELT AND SAID TRAILING SECTION, AND A PAIR OF TRANSVERSELY SPACED ELECTRODES CONNECTED TO A SOURCE OF CURRENT AND EXTENDING LONGITUDINALLY ALONG SAID BELT UPPER RUN AND ADAPTED TO ELECTRICALLY ENGAGE OPPOSITE LONGITUDINAL EDGES OF SAID MASS LAYER UPON SAID BELT ALONG SAID TRANSVERSELY INCLINED RUN TO EFFECT THE INTERNAL ELECTRICAL HEATING THEREOF SAID TRANSVERSE INCLINATION OF SAID CONVEYOR BELT PROVIDING A DRAINAGE OF LIQUID FROM SAID MASS LAYER TO PROMOTE A UNIFORM HEATING ACROSS THE WIDTH OF SAID MASS LAYER.
References Cited (Backward Citations)
CA479107A
Cited
US2861009A
Cited
US2889704A
Cited
US3046177A
Cited
US3048888A
Cited
US3109703A
Cited
US3142714A
Cited
US3166454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |