Patent FR761571A successfully refreshed from Google Patents.
Patent US1273374A successfully refreshed from Google Patents.
US1273374A
Expired / Lapsed
US
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Mechanism for making wire fences.
Assignee: Pittsburgh Steel Co
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Filing: 1914-07-13
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Granted: 1918-07-23
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Expires: 1934-07-13
Abstract
No abstract record available.
Inventors
- 👤 August G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:29
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/02; B21F27/06; Y; Y10; Y10T; Y10T292/00; Y10T292/62
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) | 1921-07-22 | 1922-01-21 | 1922-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-22 | 1926-01-21 | 1926-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-22 | 1930-01-21 | 1930-07-23 | $7700.00 | Window Closed / Lapsed |