US3465420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic crack sealer
Assignee: Individual
•
Filing: 1965-06-09
•
Granted: 1969-09-09
•
Expires: 1985-06-09
Abstract
No abstract record available.
Inventors
- 👤 John M Webb
- 👤 Eldor R Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:22
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2063671A
Cited
US2362505A
Cited
GB642854A
Cited
US2623148A
Cited
US2743515A
Cited
US2916001A
Cited
US2796843A
Cited
US3138863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |