US1827651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1929-02-11
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Granted: 1931-10-13
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Expires: 1949-02-11
Abstract
No abstract record available.
Inventors
- 👤 Frank C Hacheney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:31
CPC Classifications
F; F21; F21V; F21V11/00; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/125; F21S41/14; F21S41/18; F21S41/20; F21S41/285; F21S41/30; F21S41/32; F21S41/321; F21S41/36; F21S41/365; F21S41/39; F21S41/40; F21S41/43; F21S41/47; F21S43/00; F21S43/30; F21S43/31; F21S41/162; F21S43/10; F21S43/13; F21W; F21W2103/00; F21W2103/10; F21W2107/00; F21W2107/10
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) | 1934-10-12 | 1935-04-13 | 1935-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-12 | 1939-04-13 | 1939-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-12 | 1943-04-13 | 1943-10-13 | $7700.00 | Window Closed / Lapsed |