Patent US849368A successfully refreshed from Google Patents.
US849368A
Expired / Lapsed
US
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Electrically-heated hot-water bottle.
Assignee: Individual
•
Filing: 1907-01-08
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Granted: 1907-04-09
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Expires: 1927-01-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/08
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) | 1910-04-08 | 1910-10-08 | 1911-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-08 | 1914-10-08 | 1915-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-08 | 1918-10-08 | 1919-04-09 | $7700.00 | Window Closed / Lapsed |