Patent US1982580A successfully refreshed from Google Patents.
US1982580A
Expired / Lapsed
US
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Constructional material and paving structure
Assignee: Philip Carey Manufacturing Co
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Filing: 1928-07-09
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Granted: 1934-11-27
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Expires: 1948-07-09
Abstract
No abstract record available.
Inventors
- 👤 Albert C Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:29
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; E01F; E01F9/00; E01F9/50; E01F9/553; E01F9/576; E01F9/578; Y; Y10; Y10S; Y10S264/00; Y10S264/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-11-26 | 1938-05-28 | 1938-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-26 | 1942-05-28 | 1942-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-26 | 1946-05-28 | 1946-11-27 | $7700.00 | Window Closed / Lapsed |