Patent US3453039A successfully refreshed from Google Patents.
US3453039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite light transmitting and light reflecting panels and the like
Assignee: Individual
•
Filing: 1965-07-16
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Granted: 1969-07-01
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Harold Norman Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:50
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/28; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/24273; Y10T428/24298; Y10T428/24306; Y10T428/24322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US737979A
Cited
GB190811054A
Cited
US1740278A
Cited
US1893024A
Cited
US2382566A
Cited
US2874611A
Cited
US2810604A
Cited
US3009389A
Cited
US3255665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |