Patent US3000093A successfully refreshed from Google Patents.
US3000093A
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US
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Method in covering building element surfaces with sheet metal
Assignee: BOSTODSFORSKNING AB
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Filing: 1958-04-02
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Granted: 1961-09-19
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Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Wredenfors Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12; E04D; E04D3/00; E04D3/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR764771A
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US2050993A
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US2164414A
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US2258858A
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US2277108A
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US2313228A
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US2391997A
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US2453503A
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BE524344A
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US2863185A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |