Patent US5608247A successfully refreshed from Google Patents.
Patent US3234807A successfully refreshed from Google Patents.
US3234807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple intercast plastic products
Assignee: Individual
•
Filing: 1964-08-17
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Granted: 1966-02-15
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:05
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02; F16H; F16H41/00; F16H41/24; F16H2041/246
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A PLASTIC CHAIN STRUCTURE OF THE CHARACTER DEFINED, COMPRISING PAIRS OF COMMON LINKS EACH INCLUDING SIDE PLATES INTEGRALLY JOINED AND SPACED CENTRALLY BY A RIB, EACH ADJACENT PAIRS OF LINKS BEING JOINED BY A CONNECTING LINK HAVING END PORTIONS DISPOSED BETWEEN THE SIDE PLATES OF THE PAIRS OF LINKS, INNER SURFACES OF THE SIDE PLATES OF THE PAIRS OF LINKS HAVING, AT ENDS THEREOF, PROJECTING PIVOT PORTIONS ENVELOPED BY ENDS OF SAID CONNECTING LINK AND SAID CONNECTING LINK BEING FORMED OF A PLASTIC MATERIAL, THE MELTING POINT OF WHICH IS LOWER THAN THE MELTING POINT OF THE PLASTIC MATERIAL EMPLOYED IN SAID PAIRS OF LINKS.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |