Patent US3499302A successfully refreshed from Google Patents.
US3499302A
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Assignee: ELVIS C FLORA
•
Filing: 1967-03-01
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Granted: 1970-03-10
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Roy C Spain
- 👤 Roy N Oliver
- 👤 Elvis C Flora
- 👤 Paul A Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:52
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/0039; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7605; Y10T70/761; Y10T70/7667; Y10T70/7689; Y10T70/7701; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7859; Y10T70/7864; Y10T70/7881; Y10T70/7915; Y10T70/7932
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) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |