Patent US2096991A successfully refreshed from Google Patents.
US2096991A
Expired / Lapsed
US
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Illuminating means
Assignee: C V HILL AND Co Inc
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Filing: 1935-12-16
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Granted: 1937-10-26
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Expires: 1955-12-16
Abstract
No abstract record available.
Inventors
- 👤 Frank D Macmaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:47
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0404; A47F3/0426
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) | 1940-10-25 | 1941-04-26 | 1941-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-25 | 1945-04-26 | 1945-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-25 | 1949-04-26 | 1949-10-26 | $7700.00 | Window Closed / Lapsed |