US3015135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated metal awning
Assignee: Millennium Petrochemicals Inc
•
Filing: 1955-10-03
•
Granted: 1962-01-02
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Dean
- 👤 Herman E Wegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:29
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1703149A
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US2428361A
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US2542919A
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US2588011A
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US2682689A
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US2739356A
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US2657437A
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US2684507A
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US2788548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |