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Patent US1073587A successfully refreshed from Google Patents.
US1073587A
Expired / Lapsed
US
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Art of making iron and steel.
Assignee: BILLINGS PROCESS Co
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Filing: 1910-01-21
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Granted: 1913-09-23
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Expires: 1930-01-21
Abstract
No abstract record available.
Inventors
- 👤 James R Billings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:35
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/35
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) | 1916-09-22 | 1917-03-24 | 1917-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-09-22 | 1921-03-24 | 1921-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-09-22 | 1925-03-24 | 1925-09-23 | $7700.00 | Window Closed / Lapsed |