Patent US3324775A successfully refreshed from Google Patents.
US3324775A
Expired / Lapsed
US
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Method and means for sealing pavement grooves
Assignee: Acme Highway Products Corp
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Filing: 1963-04-22
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Granted: 1967-06-13
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Crone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:38
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/12; E01C11/126
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A METHOD OF POSITIONING HOLLOW ELASTOMERIC SEALING STRIPS END TO END IN A PAVEMENT GROOVE, COMPRISING THE STEPS OF SEALING SAID STRIPS TO EXCLUDE AIR THEREFROM, REMOVING AIR FROM SAID STRIPS, THEN POSITIONING THE STRIPS END TO END IN THE GROOVE WITH THEIR ENDS EXTENDING ABOVE THE SURFACE OF THE GROOVE, THEN ADMITTING AIR TO SAID STRIPS TO EXPAND THE SAME BY THEIR OWN RESILIENCE, POSITIONING SAID ENDS INTO ALINEMENT AND ABUTTING RELATION TO EACH OTHER, SEALING SAID ENDS TO EXCLUDE WATER AND OTHER FOREIGN MATERIAL, AND THEN POSITIONING SAID ENDS IN THE GROOVE.
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US2156681A
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US2577998A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |