US2526249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Putty softening means
Assignee: RENAY PRODUCTS ENGINEERING CO
•
Filing: 1946-12-26
•
Granted: 1950-10-17
•
Expires: 1966-12-26
Abstract
No abstract record available.
Inventors
- 👤 Martines Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16; B44D3/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US260410A
Cited
US442164A
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US557556A
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US680564A
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US1462601A
Cited
US1416865A
Cited
US1572975A
Cited
US1960288A
Cited
US2168698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |