US3173699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular gasket
Assignee: HAMILTON KENT MANUFACTURING COMPANY Inc
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Filing: 1962-08-24
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Granted: 1965-03-16
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Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
- 👤 Tracy D Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/02; F16L17/025; F16L17/03; F16L17/035; F16L25/00; F16L25/0027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
AN ANNULAR GASKET OF ELASTOMERIC MATERIAL WITH A BODY PORTION AND TWO LIPS EXTENDING REARWARDLY FROM THE REAR OF THE BODY PORTION, BOTH LIPS NARROWING SHARPLY BY DEPRESSIONS ON BOTH SURFACES AT THEIR FORWARD ENDS WHERE THEY JOIN THE BODY PORTION, AN OPENING IN THE BODY PORTION NEAR THE LIPS, AND PROJECTIONS ON SAID WALLS OPPOSITE SAID OPENING SO THAT WHEN THE PROJECTIONS ARE SQUEEZED THE LIPS ARE FLARED OUTWARD, EACH LIP TAPERING FROM A WIDE PORTION IMMEDIATELY TO THE REAR OF SAID DEPRESSIONS TO A THIN TIP AT THE REAR.
Claim 2
Dependent Claim
91 words
AN ANNULAR GASKET OF ELASTOMERIC MATERIAL WITH A BODY PORTION AND TWO LIPS EXTENDING REARWARDLY FROM THE REAR OF THE BODY PORTION, BOTH LIPS NARROWING SHARPLY BY DEPRESSIONS ON BOTH SURFACES AT THEIR FORWARD ENDS WHERE THEY JOIN THE BODY PORTION, AN OPENING IN THE BODY PORTION NEAR THE LIPS, AND PROJECTIONS ON SAID WALLS OPPOSITE SAID OPENING SO THAT WHEN THE PROJECTIONS ARE SQUEEZED THE LIPS ARE FLARED OUTWARD, EACH LIP TAPERING FROM A WIDE PORTION IMMEDIATELY TO THE REAR OF SAID DEPRESSIONS TO A THIN TIP AT THE REAR.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |