US2996609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet panel
Assignee: Individual
•
Filing: 1958-07-07
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Granted: 1961-08-15
•
Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Wilson Bertram Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:32
CPC Classifications
F; F21; F21V; F21V3/00; B; B29; B29C; B29C51/00; B29C51/006; E; E04; E04B; E04B9/00; E04B9/32; E04B9/34; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/326; E04C2/54; E04D; E04D3/00; E04D3/24; E04D3/28; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/40; B29C66/41; B29C66/43; B29C66/438; B29C66/50; B29C66/51; B29C66/54; B29C66/541; B29C66/70; B29C66/73; B29C66/733; B29C66/7336; B29C66/73365; B29C66/73366; B29L; B29L2031/00; B29L2031/747; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/234; Y10T428/24; Y10T428/24273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2410744A
Cited
US2429482A
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AT163515B
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US2481046A
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US2710335A
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US2851390A
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US2860237A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |