Patent US3060816A successfully refreshed from Google Patents.
Patent US3035292A successfully refreshed from Google Patents.
US3035292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming and stiffening shoe parts by means of a polymerizable and thermoplastic resin
Assignee: Beckwith Arden Inc
•
Filing: 1958-10-16
•
Granted: 1962-05-22
•
Expires: 1978-10-16
Abstract
No abstract record available.
Inventors
- 👤 Walter H Heaton
- 👤 Gaquin John Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:56
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; B; B29; B29D; B29D28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS OF FORMING THE COUNTER PORTION OF A SHOE COMPRISING THE STEPS OF COATING THE INNER SURFACE OF THE REAR END OF THE UPPER WITH A PARTIALLY POLYMERIZED UREA RESIN, CONTACTING A LIMITED AREA OF THE COATED SURFACE WITH A CATALYST AND PLACING THE UPPER ON A LAST WHILE THE CATALYST ACTS TO POLYMERIZE THE RESIN AND CONVERT THE CONTACTED AREA
Claim 2
Dependent Claim
62 words
THE PROCESS OF FORMING THE COUNTER PORTION OF A SHOE COMPRISING THE STEPS OF COATING THE INNER SURFACE OF THE REAR END OF THE UPPER WITH A PARTIALLY POLYMERIZED UREA RESIN, CONTACTING A LIMITED AREA OF THE COATED SURFACE WITH A CATALYST AND PLACING THE UPPER ON A LAST WHILE THE CATALYST ACTS TO POLYMERIZE THE RESIN AND CONVERT THE CONTACTED AREA
References Cited (Backward Citations)
US978324A
Cited
US1982725A
Cited
US2424869A
Cited
US2277941A
Cited
US2424284A
Cited
US2344458A
Cited
GB793846A
Cited
US2919453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |