Patent US1703667A successfully refreshed from Google Patents.
US1703667A
Expired / Lapsed
US
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Wall-board-joint system
Assignee: United States Gypsum Co
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Filing: 1927-09-24
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Granted: 1929-02-26
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Expires: 1947-09-24
Abstract
No abstract record available.
Inventors
- 👤 Green Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:13
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/042; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273
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) | 1932-02-26 | 1932-08-27 | 1933-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-26 | 1936-08-27 | 1937-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-26 | 1940-08-27 | 1941-02-26 | $7700.00 | Window Closed / Lapsed |