US3375321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall structure with means for controlling the radiation transmissivity of the structure
Assignee: Individual
•
Filing: 1965-07-16
•
Granted: 1968-03-26
•
Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Laing Nikolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/28; E04; E04B; E04B1/00; E04B1/62; E04B1/92; G; G21; G21F; G21F3/00; H; H05; H05K; H05K9/00; H05K9/0001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3249682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |