US1845628A
Expired / Lapsed
US
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Assignee: HENRY J ROTH
•
Filing: 1928-07-30
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Granted: 1932-02-16
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Expires: 1948-07-30
Abstract
No abstract record available.
Inventors
- 👤 William A Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:06
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/60; F21S41/65; F21S41/663; F21S41/10; F21S41/14; F21S41/162; F21S41/20; F21S41/25; F21S41/255; F21S41/28; F21S41/30; F21S41/32; F21S41/321; F21S41/36; F21S41/365; F21S41/39; F21S41/67; F21S41/675; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/28; F21S43/00; F21S43/10; F21S43/13; F21S43/14; F21V; F21V14/00; F21V14/04; F21V7/00; F21V7/0008; F21V7/0016
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) | 1935-02-15 | 1935-08-17 | 1936-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-15 | 1939-08-17 | 1940-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-15 | 1943-08-17 | 1944-02-16 | $7700.00 | Window Closed / Lapsed |