Patent US2915801A successfully refreshed from Google Patents.
US2915801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming plastic clay bodies
Assignee: McGraw Edison Co
•
Filing: 1957-12-05
•
Granted: 1959-12-08
•
Expires: 1977-12-05
Abstract
No abstract record available.
Inventors
- 👤 William R Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:13
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/006; B28B7/00; B28B7/0097; B28B7/34; B28B7/344
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB109075A
Cited
US1480719A
Cited
US1639430A
Cited
US2322140A
Cited
US2395295A
Cited
US2584109A
Cited
US2632227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |