Patent US3016801A successfully refreshed from Google Patents.
US3016801A
Expired / Lapsed
US
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Device controlling the light passing through the glass roof of a conservatory
Assignee: Gebr GYSI AG
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Filing: 1959-11-12
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Granted: 1962-01-16
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Michel Kaspar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:26
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/22; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |