US3223005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for cracked surfaces
Assignee: Bridgestone Firestone Inc
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Filing: 1961-03-08
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Granted: 1965-12-14
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Harold V Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:15
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/52; C04B41/60; C04B41/61; C04B41/70; C08; C08L; C08L9/00; C08L9/02; C09; C09K; C09K3/00; C09K3/10; E; E01; E01C; E01C11/00; E01C11/005; E01D; E01D19/00; E01D19/08; E01D19/083; E04; E04F; E04F15/00; E04F15/12; E04F15/14; C04B2111/00; C04B2111/20; C04B2111/203; C04B2111/27; C04B2111/72; C09K2200/00; C09K2200/04; C09K2200/0429; C09K2200/06; C09K2200/0607; C09K2200/0612; C09K2200/0642; C09K2200/0645; C09K2200/067; C09K2200/0672
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A CONCRETE SURFACE, HAVING A CRACK THEREIN, THE SURFACES OF THE CRACK AND THE ADJOINING AREA BEING COVERED WITH A PRIMER COAT OF NITRILE RUBBER AND WATER- AND FUELRESISTANT RESIN COMPOSITION, THE AMOUNT OF THE RESIN COMPOSITION BEING SUBSTANTIALLY 20 TO 80 PARTS BY WEIGHT PER 100 PARTS OF THE RUBBER AND CONTAINING AT LEAST SUBSTANTIALLY 50 PERCENT BY WEIGHT OF HEAT-REACTIVE PHENOL-ALDEHYDE RESIN WITH THE BALANCE SELECTED FROM THE GROUP CONSISTING OF PHENOL-ALDEHYDE RESINS, COAL-TAR PITCHES AND WATER-TAR PITCHES, WITH THE BALANCE OF THE CRACK FILLED WIT A MIXTURE OF NITRILE RUBBER AND RESIN COMPOSITION, AS DE-
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |