US1095477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of gilled tubular heat-interchanging apparatus.
Assignee: Individual
•
Filing: 1913-11-11
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Granted: 1914-05-05
•
Expires: 1933-11-11
Abstract
No abstract record available.
Inventors
- 👤 William Joseph Still
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:06
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J19/46; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378
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) | 1917-05-04 | 1917-11-03 | 1918-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-04 | 1921-11-03 | 1922-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-04 | 1925-11-03 | 1926-05-05 | $7700.00 | Window Closed / Lapsed |