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US3429005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional tire mold
Assignee: DONALD M MACMILLAN
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Filing: 1963-04-11
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Granted: 1969-02-25
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Donald M Macmillan
- 👤 Kenneth T Macmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:03
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0603; B29D30/0606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A TIRE MOLD HAVING A PLURALITY OF MATRIX SECTIONS PIVOTALLY CONNECTED TO FORM A SUBSTANTIALLY ANNULAR MATRIX OF A PREDETERMINED CIRCUMFERENCE IN A CLOSED POSITION THEREOF, AT LEAST ONE OF SAID MATRIX SECTIONS BEING DEFINED BY A CAVITY-DEFINING MATRIX BODY AND AN EXTERIOR MATRIX BAND SECURED THERETO, SAID AT LEAST ONE MATRIX BODY AND AN ADJACENT MAXTRIX SECTION EACH HAVING END FACES NORMALLY IN ADJACENT CONTIGUOUS OPPOSED RELATIONSHIP IN SAID CLOSED POSITION, AND MEANS FOR VARYING SAID PREDETERMINED CIRCUMFERENCE TO ADAPT SAID MOLD FOR RECEIVING DIFFERENT SIZED UNCURED TIRES, SAID CIRCUMFERENCE VARYING MEANS BEING DEFININED BY MEANS FOR RELATIVELY SHIFTING AT LEAST SAID ONE MATRIX BODY RELATIVE TO THE MATRIX BAND THEREOF TO SPACE SAID ADJACENT END FACES BEYOND SAID NORMAL CLOSED POSITION THEREBY FORMING A SPACE ADAPTED TO RECEIVE A SHIM FOR INCREASING SAID PREDETERMINED CIRCUMFERENCE IN SAID CLOSED POSITION.
Claim 2
Dependent Claim
141 words
A TIRE MOLD HAVING A PLURALITY OF MATRIX SECTIONS PIVOTALLY CONNECTED TO FORM A SUBSTANTIALLY ANNULAR MATRIX OF A PREDETERMINED CIRCUMFERENCE IN A CLOSED POSITION THEREOF, AT LEAST ONE OF SAID MATRIX SECTIONS BEING DEFINED BY A CAVITY-DEFINING MATRIX BODY AND AN EXTERIOR MATRIX BAND SECURED THERETO, SAID AT LEAST ONE MATRIX BODY AND AN ADJACENT MAXTRIX SECTION EACH HAVING END FACES NORMALLY IN ADJACENT CONTIGUOUS OPPOSED RELATIONSHIP IN SAID CLOSED POSITION, AND MEANS FOR VARYING SAID PREDETERMINED CIRCUMFERENCE TO ADAPT SAID MOLD FOR RECEIVING DIFFERENT SIZED UNCURED TIRES, SAID CIRCUMFERENCE VARYING MEANS BEING DEFININED BY MEANS FOR RELATIVELY SHIFTING AT LEAST SAID ONE MATRIX BODY RELATIVE TO THE MATRIX BAND THEREOF TO SPACE SAID ADJACENT END FACES BEYOND SAID NORMAL CLOSED POSITION THEREBY FORMING A SPACE ADAPTED TO RECEIVE A SHIM FOR INCREASING SAID PREDETERMINED CIRCUMFERENCE IN SAID CLOSED POSITION.
References Cited (Backward Citations)
US1368268A
Cited
US1335783A
Cited
US1429831A
Cited
US1643712A
Cited
US1996971A
Cited
US2228316A
Cited
US2370655A
Cited
US2372217A
Cited
US2411687A
Cited
US2456063A
Cited
US2516715A
Cited
US2606342A
Cited
US2723425A
Cited
US2866228A
Cited
US3042966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |