Patent US3039593A successfully refreshed from Google Patents.
US3039593A
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Accumulator and foldover apparatus
Assignee: STRUCTURAL CLAY PRODUCTS RES F
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Filing: 1957-06-19
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Granted: 1962-06-19
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Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Harvey A Edmonds
- 👤 Jack L Hadsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:59
CPC Classifications
B; B65; B65B; B65B61/00; B65B61/20; B65B61/22; B65B35/00; B65B35/30; B65B35/50; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/11
Claims Analysis
Total Claims: 0
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |