Patent US3047111A successfully refreshed from Google Patents.
US3047111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal sheeting
Assignee: British Aluminum Co Ltd
•
Filing: 1959-11-02
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Granted: 1962-07-31
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Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Clements Stephen Geoffrey
- 👤 Laithwaite Eric Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/361; E04D3/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1653847A
Cited
US2148434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |