US3328847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam rubber apparatus
Assignee: Day International Corp
•
Filing: 1966-09-16
•
Granted: 1967-07-04
•
Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Trogdon Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:12
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/04; B29C44/0461; B29C44/0469; B29C33/00; B29C33/0033; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN APPARATUS FOR THE MOLDING OF UNITARY FOAM RUBBER ARTICLES COMPRISING UPPER AND LOWER MOLD MEMBERS, SAID LOWER MEMBER INCLUDING A BASE AND SIDES COOPERATING TO FORM A CAVITY, A PLURALITY OF SPACED CORE PINS MOUNTED ON THE UPPER SURFACE OF SAID BASE AND THE LOWER SURFACE OF SAID UPPER MEMBER AND ALIGNED IN ROWS, AT LEAST ONE OF SAID ROWS HAVING REDUCED SPACING BETWEEN ADJACENT PINS COMPARED TO THE SPACING BETWEEN THE REMAINING PINS.
Claim 2
Independent Claim
75 words
AN APPARATUS FOR THE MOLDING OF UNITARY FOAM RUBBER ARTICLES COMPRISING UPPER AND LOWER MOLD MEMBERS, SAID LOWER MEMBER INCLUDING A BASE AND SIDES COOPERATING TO FORM A CAVITY, A PLURALITY OF SPACED CORE PINS MOUNTED ON THE UPPER SURFACE OF SAID BASE AND THE LOWER SURFACE OF SAID UPPER MEMBER AND ALIGNED IN ROWS, AT LEAST ONE OF SAID ROWS HAVING REDUCED SPACING BETWEEN ADJACENT PINS COMPARED TO THE SPACING BETWEEN THE REMAINING PINS.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |