Patent US1208177A successfully refreshed from Google Patents.
US1208177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally-controlled releasing mechanism for fire-doors and the like.
Assignee: Individual
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Filing: 1915-05-12
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Granted: 1916-12-12
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Expires: 1935-05-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:31
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; E05; E05F; E05F1/00; E05F1/002; E05F1/004
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) | 1919-12-12 | 1920-06-12 | 1920-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-12-12 | 1924-06-12 | 1924-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-12-12 | 1928-06-12 | 1928-12-12 | $7700.00 | Window Closed / Lapsed |