US2443564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for twisting wire for use in brick cutting
Assignee: Individual
•
Filing: 1946-11-15
•
Granted: 1948-06-15
•
Expires: 1966-11-15
Abstract
No abstract record available.
Inventors
- 👤 Earl H Kunkle
- 👤 Lonnie B Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:26
CPC Classifications
B; B21; B21F; B21F15/00; B21F15/02; B21F15/04; B21F1/00; B21F1/06; B65; B65B; B65B13/00; B65B13/18; B65B13/24; B65B13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US177221A
Cited
US561642A
Cited
US653556A
Cited
US902389A
Cited
US902764A
Cited
US1391820A
Cited
US1752726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |