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US632836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire-annealing furnace.
Assignee: Individual
•
Filing: 1899-03-09
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Granted: 1899-09-12
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Expires: 1919-03-09
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:53
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/561
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) | 1902-09-12 | 1903-03-14 | 1903-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-09-12 | 1907-03-14 | 1907-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-09-12 | 1911-03-14 | 1911-09-13 | $7700.00 | Window Closed / Lapsed |