Patent US2626872A successfully refreshed from Google Patents.
US2626872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt building board
Assignee: GREAT LAKES CARBON Corp
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Filing: 1948-06-02
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Granted: 1953-01-27
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Expires: 1968-06-02
Abstract
No abstract record available.
Inventors
- 👤 Miscall Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:01
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571667A
Cited
US1743744A
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US1790178A
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US1821120A
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US1774573A
Cited
GB390189A
Cited
US2209679A
Cited
US2385500A
Cited
US2487207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |