Patent US1772175A successfully refreshed from Google Patents.
US1772175A
Expired / Lapsed
US
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Headlight for producing multicolored beams
Assignee: MONOGRAM LENS Corp
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Filing: 1927-07-07
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Granted: 1930-08-05
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Expires: 1947-07-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel F Arbuckle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:23
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/125; F21V; F21V9/00; F21V9/40
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) | 1933-08-04 | 1934-02-03 | 1934-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-04 | 1938-02-03 | 1938-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-04 | 1942-02-03 | 1942-08-05 | $7700.00 | Window Closed / Lapsed |