US2779324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mason's splitting machine
Assignee: Individual
•
Filing: 1954-04-19
•
Granted: 1957-01-29
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Leon H Schlough
- 👤 Wesley E Schlough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:05
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/22; B28D1/222; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR551606A
Cited
US1877364A
Cited
US2508587A
Cited
US2557098A
Cited
US2613661A
Cited
US2593606A
Cited
US2657681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |