Patent US1974327A successfully refreshed from Google Patents.
US1974327A
Expired / Lapsed
US
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Expansion joint for roads, floors, and like structures
Assignee: Bond Manufacturing Co Inc
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Filing: 1931-12-03
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Granted: 1934-09-18
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Expires: 1951-12-03
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bostwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:55
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; Y; Y10; Y10S; Y10S264/00; Y10S264/44; Y10S524/00; Y10S524/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3167
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) | 1937-09-17 | 1938-03-19 | 1938-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-09-17 | 1942-03-19 | 1942-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-09-17 | 1946-03-19 | 1946-09-18 | $7700.00 | Window Closed / Lapsed |