Patent US3284558A successfully refreshed from Google Patents.
US3284558A
Expired / Lapsed
US
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Injection molding composite bottoms
Assignee: Individual
•
Filing: 1964-10-06
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Granted: 1966-11-08
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:35
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018; B29D35/0036; A; A43; A43B; A43B1/00; A43B1/0027; B29D35/0054; B29D35/0063; B29D35/0081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF APPLYING BOTTOMS TO SHOES COMPRISIING SUPPORTING A LAST WITH AN UPPER LASTED THEREON IN ENGAGEMENT WITH THE TOP OF AN OPEN TOP MOLD, SUPPORTING A SOLE PLATE AT THE BOTTOM OF THE MOLD FOR MOVEMENT TOWARD THE BOTTOM OF THE UPPER ON THE LAST, ATTACHING A FILLER TO THE BOTTOM OF THE LASTED UPPER BY MOVING THE SOLE PLATE TOWARD THE BOTTOM OF THE LAST TO PRESS THE FILLER AGAINST THE BOTTOM OF THE LASTED UPPER, MOVING THE SOLE
Claim 2
Independent Claim
82 words
THE METHOD OF APPLYING BOTTOMS TO SHOES COMPRISIING SUPPORTING A LAST WITH AN UPPER LASTED THEREON IN ENGAGEMENT WITH THE TOP OF AN OPEN TOP MOLD, SUPPORTING A SOLE PLATE AT THE BOTTOM OF THE MOLD FOR MOVEMENT TOWARD THE BOTTOM OF THE UPPER ON THE LAST, ATTACHING A FILLER TO THE BOTTOM OF THE LASTED UPPER BY MOVING THE SOLE PLATE TOWARD THE BOTTOM OF THE LAST TO PRESS THE FILLER AGAINST THE BOTTOM OF THE LASTED UPPER, MOVING THE SOLE
References Cited (Backward Citations)
US3018517A
Cited
US3178496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |