US3371135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reconstituted marble
Assignee: Individual
•
Filing: 1964-12-07
•
Granted: 1968-02-27
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 William D Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; B29C67/242; B29C67/243; B29C67/244; B29C35/00; B29C35/02; B29C35/0222; B29L; B29L2031/00; B29L2031/10; B29L2031/102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1841215A
Cited
US2517100A
Cited
US2951001A
Cited
US3012287A
Cited
US3230284A
Cited
US3247294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |