US3379237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame construction for screens
Assignee: HENRY MILLER WORTHINGTON
•
Filing: 1965-10-24
•
Granted: 1968-04-23
•
Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Worthington Henry Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:49
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US377991A
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US1104151A
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US1105857A
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US1588161A
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US1665475A
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US1794534A
Cited
US2325500A
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US2570791A
Cited
US2709489A
Cited
US3143165A
Cited
US3142550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |