US863211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating system.
Assignee: PAKIN Co
•
Filing: 1900-05-15
•
Granted: 1907-08-13
•
Expires: 1920-05-15
Abstract
No abstract record available.
Inventors
- 👤 Andrew G Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:44
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/121; G05D23/122
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) | 1910-08-12 | 1911-02-11 | 1911-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-08-12 | 1915-02-11 | 1915-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-08-12 | 1919-02-11 | 1919-08-13 | $7700.00 | Window Closed / Lapsed |