US2499258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire laying machine
Assignee: National Standard Co
•
Filing: 1947-05-05
•
Granted: 1950-02-28
•
Expires: 1967-05-05
Abstract
No abstract record available.
Inventors
- 👤 Robert C Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:32
CPC Classifications
D; D07; D07B; D07B3/00; D07B3/02; D07B3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US15326A
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US801613A
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US1073052A
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US1480207A
Cited
US1609455A
Cited
US2125823A
Cited
US2179247A
Cited
US2374085A
Cited
US2416126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |