US1028930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making plaster-board.
Assignee: DELAC PLASTER CO
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Filing: 1911-05-20
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Granted: 1912-06-11
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Expires: 1931-05-20
Abstract
No abstract record available.
Inventors
- 👤 De Lancey A Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:30
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/04; B29C43/06; B29C43/08
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) | 1915-06-11 | 1915-12-11 | 1916-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-06-11 | 1919-12-11 | 1920-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-06-11 | 1923-12-11 | 1924-06-11 | $7700.00 | Window Closed / Lapsed |