Patent US3490766A successfully refreshed from Google Patents.
US3490766A
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US
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Assignee: HARRIS L GARDNER
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Filing: 1967-10-19
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Granted: 1970-01-20
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Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Harris L Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:14
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/0601; A63B21/0607; A63B21/065; Y; Y10; Y10S; Y10S273/00; Y10S273/30; Y10S446/00; Y10S446/901
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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |