US2549167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light controlling means
Assignee: Individual
•
Filing: 1945-11-15
•
Granted: 1951-04-17
•
Expires: 1965-11-15
Abstract
No abstract record available.
Inventors
- 👤 Henry J Brubaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:27
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/082; E06B9/00; E06B9/24; E06B2009/2405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US14798A
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US792759A
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US957120A
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US947490A
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US1639474A
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US1937342A
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US1886445A
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US2009167A
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US2205523A
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US2327918A
Cited
US2382566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |