Patent US2969252A successfully refreshed from Google Patents.
US2969252A
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Seal
Assignee: GRUVER AND ASSOCIATES Inc
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Filing: 1958-08-25
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Granted: 1961-01-24
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Expires: 1978-08-25
Abstract
No abstract record available.
Inventors
- 👤 Benton A Gruver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:27
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; B; B64; B64C; B64C1/00; B64C1/14; Y; Y10; Y10S; Y10S277/00; Y10S277/921; Y10S277/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |