US3245121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making hardened reinforced bands of synthetic resins
Assignee: Individual
•
Filing: 1962-07-13
•
Granted: 1966-04-12
•
Expires: 1982-07-13
Abstract
No abstract record available.
Inventors
- 👤 Graff Roderich Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29C33/00; B29C33/02; B29C33/04; B29C67/00; B29C35/00; B29C35/02; B29C35/04; B29C35/041; B29K; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN AN APPARATUS FOR PRODUCING A LENGTHWISE CORRUGATED SHEET FROM A PROGRESSIVELY MOVING SHEET-LIKE LAMINATE CONSISTING OF A LAYER OF FIBROUS MATERIAL IMPREGNATED WITH A FLUID HARDENABLE SYNTHETIC RESIN AND COVERED BY A FILM WRAPPER, AN ELONGATED STATIONARY FORMING PLATFORM HAVING A LENGTHWISE CORRUGATED SURFACE WITH CRESTS AND TROUGHS, MEANS FOR HEATING SAID PLATFORM FROM UNDERNEATH, STATIONARY HALLOW ELONGATED SUPPLE WEIGHTING BODIES OVERLYING THE TROUGHS OF SAID PLATFORM AND EXTENDING IN THEIR DIRECTION, MEANS FOR FLOATABLY FIXING SAID WEIGHTING BODIES AT ONE END, HEAT-EXCHANGING MEANS IN THE INTERIOR OF SAID WEIGHTING BODIES, AND MEANS FOR LENGTHWISE DRAWING SAID LAMINATE THROUGH IN BETWEEN SAID STATIONARY FORMING PLATFORM AND SAID WEIGHTING BODIES.
Claim 2
Dependent Claim
110 words
IN AN APPARATUS FOR PRODUCING A LENGTHWISE CORRUGATED SHEET FROM A PROGRESSIVELY MOVING SHEET-LIKE LAMINATE CONSISTING OF A LAYER OF FIBROUS MATERIAL IMPREGNATED WITH A FLUID HARDENABLE SYNTHETIC RESIN AND COVERED BY A FILM WRAPPER, AN ELONGATED STATIONARY FORMING PLATFORM HAVING A LENGTHWISE CORRUGATED SURFACE WITH CRESTS AND TROUGHS, MEANS FOR HEATING SAID PLATFORM FROM UNDERNEATH, STATIONARY HALLOW ELONGATED SUPPLE WEIGHTING BODIES OVERLYING THE TROUGHS OF SAID PLATFORM AND EXTENDING IN THEIR DIRECTION, MEANS FOR FLOATABLY FIXING SAID WEIGHTING BODIES AT ONE END, HEAT-EXCHANGING MEANS IN THE INTERIOR OF SAID WEIGHTING BODIES, AND MEANS FOR LENGTHWISE DRAWING SAID LAMINATE THROUGH IN BETWEEN SAID STATIONARY FORMING PLATFORM AND SAID WEIGHTING BODIES.
References Cited (Backward Citations)
US1450222A
Cited
US2312587A
Cited
US2363779A
Cited
US2441699A
Cited
US2623261A
Cited
US2411043A
Cited
US2717421A
Cited
US2784763A
Cited
US3071180A
Cited
US2794481A
Cited
US3032452A
Cited
US3050109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |