Patent US2212122A successfully refreshed from Google Patents.
US2212122A
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US
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Roofing
Assignee: Barrett Co Inc
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Filing: 1937-12-30
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Granted: 1940-08-20
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Expires: 1957-12-30
Abstract
No abstract record available.
Inventors
- 👤 Stuart P Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:16
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; B; B32; B32B; B32B11/00; B32B11/10; B32B5/00; B32B5/22; B32B5/24; B32B5/26; E; E04; E04D; E04D5/00; E04D5/10; B32B2305/00; B32B2305/10; B32B2305/20; B32B2395/00; B32B2419/00; B32B2419/06; B32B37/00; B32B37/14; B32B37/16; B32B37/20; B32B38/00; B32B38/08; Y; Y10; Y10T; Y10T442/00; Y10T442/50; Y10T442/59
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) | 1943-08-20 | 1944-02-19 | 1944-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-20 | 1948-02-19 | 1948-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-20 | 1952-02-19 | 1952-08-20 | $7700.00 | Window Closed / Lapsed |