US2354350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated structural material
Assignee: United States Gypsum Co
•
Filing: 1939-11-18
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Granted: 1944-07-25
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Expires: 1959-11-18
Abstract
No abstract record available.
Inventors
- 👤 Clyde C Schuetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:25
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5076; C04B41/5089; C04B41/60; C04B41/61; C04B41/65; C04B41/68; Y; Y10; Y10S; Y10S285/00; Y10S285/911; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652
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) | 1947-07-25 | 1948-01-24 | 1948-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-25 | 1952-01-24 | 1952-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-25 | 1956-01-24 | 1956-07-25 | $7700.00 | Window Closed / Lapsed |