Patent US2818824A successfully refreshed from Google Patents.
US2818824A
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US
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Asbestos-cement board, siding and shingle
Assignee: TILO ROOFING Co Inc
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Filing: 1952-08-22
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Granted: 1958-01-07
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Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 Clinton I Read
- 👤 Francis H Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:10
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; B; B28; B28B; B28B1/00; B28B1/52; B28B1/526; B28B1/527; B28B11/00; B28B11/04; B28B11/046; B28B11/08; B28B11/0818; E04D; E04D1/00; E04D1/02; E04D1/08; E04D2001/005; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24612; Y10T428/2462; Y10T428/24802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434332A
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US2015084A
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US1996343A
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US1997136A
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US2200269A
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US2183965A
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US2289298A
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US2307733A
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US2380885A
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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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |