US3414455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant energy reflective and translucent structures of fiber-reinforced plastics
Assignee: E F TWOMEY Co Inc
•
Filing: 1967-09-12
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Granted: 1968-12-03
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Expires: 1987-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar F Twomey
- 👤 Joseph W Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3075429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |