US2604664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of sponge rubber from foamed latex
Assignee: Bridgestone Firestone Inc
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Filing: 1950-02-03
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Granted: 1952-07-29
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Expires: 1970-02-03
Abstract
No abstract record available.
Inventors
- 👤 Wilbur F Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/005; B29C33/00; B29C33/56; B29C33/60; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/14; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
THE METHOD OF CURING FOAMED LATEX IN INDIVIDUAL MOLDS WHICH COMPRISES COVERING THE MOLD SURFACES WITH LANOLIN, POURING IN THE FOAMED LATEX SETTING AND CURING.
Claim 2
Independent Claim
25 words
THE METHOD OF CURING FOAMED LATEX IN INDIVIDUAL MOLDS WHICH COMPRISES COVERING THE MOLD SURFACES WITH LANOLIN, POURING IN THE FOAMED LATEX SETTING AND CURING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |