Patent US3189943A successfully refreshed from Google Patents.
US3189943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for vulcanizing soles onto shoe bottoms
Assignee: United Shoe Machinery Corp
•
Filing: 1962-03-06
•
Granted: 1965-06-22
•
Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Choice Frank Coleman
- 👤 Eldred Raymond Derek Edwin
- 👤 Wakefield Gordon Cecil John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:01
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018; B29D35/0027; B29D35/0054; B29D35/0063; B29D35/0072; B29C; B29C35/00; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A MACHINE FOR MOLDING SOLES ONTO SHOE BOTTOMS, A BOTTOM MOLD MEMBER, A PAIR OF SIDE MOLD MEMBERS MOVABLE INTO MOLD CLOSING RELATION TO THE BOTTOM MOLD MEMBER, A SHOE FORM, A CYLINDER, CONNECTIONS FROM THE CYLINDER FOR SUPPORTING THE SHOE FORM IN ITS RETRACTED POSITION, A FIRST PISTON MOUNTED IN THE CYLINDER AND OPERABLE TO ELEVATE THE CYLINDER AND THE SHOE FORM, A CAM SLIDE, A CAM ROLL CARRIED BY THE CYLINDER AND ARRANGED TO LIMIT ITS UPWARD MOVEMENT BY ENGAGEMENT WITH THE CAM SLIDE, AND MEANS FOR OPERATING THE CAM SLIDE TO IMPART DOWN, WARD MOVEMENT TO THE CYLINDER AND THROUGH THE CYLINDER TO THE SHOE FORM.
Claim 2
Dependent Claim
110 words
IN A MACHINE FOR MOLDING SOLES ONTO SHOE BOTTOMS, A BOTTOM MOLD MEMBER, A PAIR OF SIDE MOLD MEMBERS MOVABLE INTO MOLD CLOSING RELATION TO THE BOTTOM MOLD MEMBER, A SHOE FORM, A CYLINDER, CONNECTIONS FROM THE CYLINDER FOR SUPPORTING THE SHOE FORM IN ITS RETRACTED POSITION, A FIRST PISTON MOUNTED IN THE CYLINDER AND OPERABLE TO ELEVATE THE CYLINDER AND THE SHOE FORM, A CAM SLIDE, A CAM ROLL CARRIED BY THE CYLINDER AND ARRANGED TO LIMIT ITS UPWARD MOVEMENT BY ENGAGEMENT WITH THE CAM SLIDE, AND MEANS FOR OPERATING THE CAM SLIDE TO IMPART DOWN, WARD MOVEMENT TO THE CYLINDER AND THROUGH THE CYLINDER TO THE SHOE FORM.
References Cited (Backward Citations)
US2922191A
Cited
US3018517A
Cited
US3012278A
Cited
US3016569A
Cited
US3063096A
Cited
US3048893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |