US3082479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous mold
Assignee: Barr Rubber Products Co
•
Filing: 1954-12-10
•
Granted: 1963-03-26
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 John C Chupa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:18
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/38; B29C33/00; B29C33/38; B29C33/3814; B29C41/02; B29C41/04; B29C41/18; B29C41/46; B29D; B29D22/00; B29D22/04; B29C2791/00; B29C2791/004; B29C2791/006; B29C33/02; B29C33/10; B29C33/44; B29C33/46; B29K; B29K2021/00; B29K2027/00; B29K2027/06; B29L; B29L2031/00; B29L2031/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
MOLDING APPARATUS COMPRISING A SECTIONAL MOLD OF POROUS METAL, THE INNER SURFACE OF SAID MOLD HAVING SHARPLY DEFINED AREAS SELECTIVELY ETCHED TO DIFFERENT DEGREES, WHEREBY ARTICLES MOLDED THEREIN ARE DECORATED WITH SHARPLY DEFINED AREAS OF DIFFERENT TEXTURES.
Claim 2
Dependent Claim
37 words
MOLDING APPARATUS COMPRISING A SECTIONAL MOLD OF POROUS METAL, THE INNER SURFACE OF SAID MOLD HAVING SHARPLY DEFINED AREAS SELECTIVELY ETCHED TO DIFFERENT DEGREES, WHEREBY ARTICLES MOLDED THEREIN ARE DECORATED WITH SHARPLY DEFINED AREAS OF DIFFERENT TEXTURES.
References Cited (Backward Citations)
US1373121A
Cited
US1592536A
Cited
US2345112A
Cited
US2434780A
Cited
US2469892A
Cited
GB725100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |