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US2991697A
Expired / Lapsed
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Light-controlling window structure
Assignee: ARROW METAL PRODUCTS CORP Inc
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Filing: 1956-04-10
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Granted: 1961-07-11
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Expires: 1976-04-10
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Vetere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:06
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345692A
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US2280358A
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US2267140A
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US2464954A
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US2543793A
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US2617329A
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US2689387A
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US2610371A
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US2758345A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |