US3335689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low friction dock bumper
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1965-05-11
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Granted: 1967-08-15
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Richard D Hein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:50
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/20; E02B3/26; Y; Y02; Y02A; Y02A30/00; Y02A30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A GENERALLY LONGITUDINALLY EXTENDING DOCK BUMPER COMPRISING: (A) A RIGID SUBSTANTIALLY FLAT BASE PLATE ADAPTED TO BE ATTACHED TO THE DOCK AND HAVING A PLURALITY OF LONGITUDINALLY SPACED APART VOIDS THEREIN; (B) A MOLDED RUBBER BODY TO WHICH SAID BASE PLATE IS BONDED AND CONTAINING A PLURALITY OF CAVITIES, EACH COMMUNICATING WITH ONE OF THE VOIDS IN SAID PLATE, THE CAVITIES BEING DEFINED BY THE SIDES OF THE BODY, SPACED-APART RIBS EXTENDING IN A DIRECTION SUBSTANTIALLY NORMAL TO SAID BASE PLATE AND TO SAID SIDES OF SAID BODY, AND A CROWN OPPOSITE SAID BASE PLATE; (C) A SUBSTANTIALLY FLAT CAP COMPOSED OF A SCUFF-RESISTANT RIGID ELASTOMERIC MATERIAL MECHANICALLY BONDED TO SAID BODY COVERING SAID CROWN.
Claim 2
Dependent Claim
115 words
A GENERALLY LONGITUDINALLY EXTENDING DOCK BUMPER COMPRISING: (A) A RIGID SUBSTANTIALLY FLAT BASE PLATE ADAPTED TO BE ATTACHED TO THE DOCK AND HAVING A PLURALITY OF LONGITUDINALLY SPACED APART VOIDS THEREIN; (B) A MOLDED RUBBER BODY TO WHICH SAID BASE PLATE IS BONDED AND CONTAINING A PLURALITY OF CAVITIES, EACH COMMUNICATING WITH ONE OF THE VOIDS IN SAID PLATE, THE CAVITIES BEING DEFINED BY THE SIDES OF THE BODY, SPACED-APART RIBS EXTENDING IN A DIRECTION SUBSTANTIALLY NORMAL TO SAID BASE PLATE AND TO SAID SIDES OF SAID BODY, AND A CROWN OPPOSITE SAID BASE PLATE; (C) A SUBSTANTIALLY FLAT CAP COMPOSED OF A SCUFF-RESISTANT RIGID ELASTOMERIC MATERIAL MECHANICALLY BONDED TO SAID BODY COVERING SAID CROWN.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |