US2376698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening for fibrous boards
Assignee: Owens Corning
•
Filing: 1944-03-31
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Granted: 1945-05-22
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Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jan S Irvine
- 👤 Raymond F Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0875; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0835; E04F13/0837; E04F13/16; E04B; E04B1/00; E04B1/38; E04B2001/386; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49993
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) | 1948-05-21 | 1948-11-20 | 1949-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-21 | 1952-11-20 | 1953-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-21 | 1956-11-20 | 1957-05-22 | $7700.00 | Window Closed / Lapsed |