US3496694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial facing method
Assignee: HICKS VAN PELT JOINT VENTURE
•
Filing: 1968-03-04
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Granted: 1970-02-24
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Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 Patrick A Hicks
- 👤 Charles H C Van Pelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:20
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0862; B; B28; B28B; B28B23/00; B28B23/0012; B29; B29C; B29C33/00; B29C33/0022; B29C35/00; B29C35/02; B29C35/0222; B29C67/00; B29C67/24; B29C67/242; B29C67/243; B29C70/00; B29C70/68; B29C70/688; B29C2791/00; B29C2791/001; B29C39/00; B29L; B29L2031/00; B29L2031/722
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1592591A
Cited
US1853824A
Cited
US1960979A
Cited
US2122577A
Cited
US2836529A
Cited
US2851330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |