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US36403A
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US
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Improved condenser for coal-oil sti-lls
Assignee: —
•
Filing: 1862-09-09
•
Granted: 1862-09-09
•
Expires: 1882-09-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:03
CPC Classifications
B; B01; B01D; B01D5/00; B01D5/0057; B01D5/006; B01D5/0063
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) | 1865-09-08 | 1866-03-10 | 1866-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1869-09-08 | 1870-03-10 | 1870-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1873-09-08 | 1874-03-10 | 1874-09-09 | $7700.00 | Window Closed / Lapsed |