US708549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermophore.
Assignee: Individual
•
Filing: 1902-07-02
•
Granted: 1902-09-09
•
Expires: 1922-07-02
Abstract
No abstract record available.
Inventors
- 👤 Fritz Heiliger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:23
CPC Classifications
F; F28; F28D; F28D20/00; F28D20/02; F28D20/028; A; A61; A61F; A61F7/00; A61F7/02; A61F7/03; F24; F24V; F24V30/00; Y; Y02; Y02E; Y02E60/00; Y02E60/14
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) | 1905-09-08 | 1906-03-10 | 1906-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-08 | 1910-03-10 | 1910-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-08 | 1914-03-10 | 1914-09-09 | $7700.00 | Window Closed / Lapsed |