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Patent US2313702A successfully refreshed from Google Patents.
US2313702A
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US
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Apparatus for splitting, spreading, and flattening pipe
Assignee: NATHAN BRACHMAN
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Filing: 1942-02-05
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Granted: 1943-03-09
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Expires: 1962-02-05
Abstract
No abstract record available.
Inventors
- 👤 Alexander C Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:58
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/02; Y; Y10; Y10S; Y10S100/00; Y10S100/902; Y10T; Y10T29/00; Y10T29/30; Y10T29/51; Y10T29/5198
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-03-08 | 1946-09-07 | 1947-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-08 | 1950-09-07 | 1951-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-08 | 1954-09-07 | 1955-03-09 | $7700.00 | Window Closed / Lapsed |