US3176357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent mold for casting aluminum stud chain links
Assignee: Individual
•
Filing: 1962-04-27
•
Granted: 1965-04-06
•
Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 John S Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:37
CPC Classifications
B; B22; B22D; B22D25/00; B22D25/02; B22D25/023; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PERMANENT MOLD FOR CASTING STUD LINK CHAIN LINKS OF HIGH TENSIL STRENGTH ALLOY METAL, SAID MOLD COMPRISING TWO PAIRS OF SEPARABLE MOLD BLOCKS HAVING COMPLEMENTARY MOLD CAVITIES, SAID MOLD BLOCKS BEING SLIDABLY FITTED TOGETHER WHEREBY THEIR OPPOSING MOLD CAVITY FACES MEET AND EXTEND VERTICALLY DEFINING A MOLD CAVITY FOR CASTING STUD LINKS, A GATE HAVING AN INTEGRAL WIDE NECK PORTION COMMUNICATING WITH SAID MOLD CAVITY THROUGH WHICH MOLTEN METAL IS INTRODUCED THEREINTO, SAID MOLD BLOCK FACES DEFINING SAID MOLD CAVITY BEING RAISED ABOVE AND OFFSET FROM THE SURFACE OF THE MOLD BLOCK FACE TO PROVIDE A RECESSED OPENING SLOT BETWEEN SAID MOLD BLOCKS
Claim 2
Dependent Claim
104 words
A PERMANENT MOLD FOR CASTING STUD LINK CHAIN LINKS OF HIGH TENSIL STRENGTH ALLOY METAL, SAID MOLD COMPRISING TWO PAIRS OF SEPARABLE MOLD BLOCKS HAVING COMPLEMENTARY MOLD CAVITIES, SAID MOLD BLOCKS BEING SLIDABLY FITTED TOGETHER WHEREBY THEIR OPPOSING MOLD CAVITY FACES MEET AND EXTEND VERTICALLY DEFINING A MOLD CAVITY FOR CASTING STUD LINKS, A GATE HAVING AN INTEGRAL WIDE NECK PORTION COMMUNICATING WITH SAID MOLD CAVITY THROUGH WHICH MOLTEN METAL IS INTRODUCED THEREINTO, SAID MOLD BLOCK FACES DEFINING SAID MOLD CAVITY BEING RAISED ABOVE AND OFFSET FROM THE SURFACE OF THE MOLD BLOCK FACE TO PROVIDE A RECESSED OPENING SLOT BETWEEN SAID MOLD BLOCKS
References Cited (Backward Citations)
US53993A
Cited
US449256A
Cited
US1920578A
Cited
US2710990A
Cited
US2764790A
Cited
US2786248A
Cited
US2957215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |