Patent US3406430A successfully refreshed from Google Patents.
US3406430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for molding strips
Assignee: Fel Pro Inc
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Filing: 1966-04-13
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Granted: 1968-10-22
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Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 Alvin J Furstenburg
- 👤 Edmund J Kujawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:05
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/42; B29D; B29D99/00; B29D99/0053; B29C33/0055; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; B29L2031/265; Y; Y10; Y10S; Y10S425/00; Y10S425/025; Y10S425/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A MOLD COMPRISING A PAIR OF COMPLEMENTARY MOLD MEMBERS, EACH HAVING A GENERALLY FLAT SURFACE PORTION, SAID FLAT SURFACE PORTIONS BEING IN OPPOSED RELATIONSHIP, AT LEAST ONE OF SAID MOLDING MEMBERS DEFINING A HELICAL MOLDING GROOVE HAVING A PLURALITY OF CONVOLUTIONS IN SAID FLAT SURFACE PORTION AND MEANS FOR URGING SAID MOLDING MEMBERS TOGETHER TO DEFINE A CLOSED HELICAL MOLDING TUNNEL GROOVE BETWEEN SAID COMPLEMENTARY MOLD MEMBERS.
Claim 2
Dependent Claim
67 words
A MOLD COMPRISING A PAIR OF COMPLEMENTARY MOLD MEMBERS, EACH HAVING A GENERALLY FLAT SURFACE PORTION, SAID FLAT SURFACE PORTIONS BEING IN OPPOSED RELATIONSHIP, AT LEAST ONE OF SAID MOLDING MEMBERS DEFINING A HELICAL MOLDING GROOVE HAVING A PLURALITY OF CONVOLUTIONS IN SAID FLAT SURFACE PORTION AND MEANS FOR URGING SAID MOLDING MEMBERS TOGETHER TO DEFINE A CLOSED HELICAL MOLDING TUNNEL GROOVE BETWEEN SAID COMPLEMENTARY MOLD MEMBERS.
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |