Patent JPS558949A successfully refreshed from Google Patents.
US2416554A
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US
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Method of making siding units
Assignee: Johns Manville Corp
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Filing: 1944-05-19
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Granted: 1947-02-25
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Expires: 1964-05-19
Abstract
No abstract record available.
Inventors
- 👤 Paul A Voigt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:59
CPC Classifications
B; B28; B28B; B28B3/00; B28B7/00; B28B7/0064; B28B7/0073; E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/14; E04F13/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |