US2978002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: NORFOLK PRODUCTS Corp
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Filing: 1959-09-23
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Granted: 1961-04-04
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Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Robert B Ransom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
B; B27; B27G; B27G15/00; B23; B23B; B23B51/00; B23B51/04; C; C04; C04B; C04B35/00; C04B35/01; C04B35/03; B23B51/044; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/895; Y10T408/8953
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |