US2770864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a surface of desired contour on a moldable substance
Assignee: Individual
•
Filing: 1952-12-10
•
Granted: 1956-11-20
•
Expires: 1972-12-10
Abstract
No abstract record available.
Inventors
- 👤 Weese Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/50; B28B1/503; B28B7/00; B28B7/0058; Y; Y10; Y10S; Y10S425/00; Y10S425/119
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1634900A
Cited
USRE18844E
Cited
US419609A
Cited
US774005A
Cited
US965909A
Cited
US1026117A
Cited
US1213982A
Cited
US1156077A
Cited
US1182061A
Cited
US1245477A
Cited
US1295735A
Cited
US1235542A
Cited
US1345904A
Cited
US1399977A
Cited
US1472646A
Cited
US1518581A
Cited
US1579961A
Cited
US1627266A
Cited
US1831982A
Cited
US1988315A
Cited
US1937993A
Cited
US1951344A
Cited
US2003988A
Cited
FR752873A
Cited
US2008162A
Cited
US2009984A
Cited
US2047356A
Cited
US2124086A
Cited
US2175715A
Cited
US2206757A
Cited
US2161308A
Cited
GB539786A
Cited
US2394943A
Cited
US2522116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |