Patent US2278093A successfully refreshed from Google Patents.
US3528086A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1968-03-07
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Granted: 1970-09-08
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Expires: 1988-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gary L Conger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:19
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/008; Y; Y10; Y10S; Y10S135/00; Y10S135/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1022967A
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US1510106A
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US2892463A
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US3060519A
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US3322132A
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US3216433A
Cited
US3334444A
Cited
US3352314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |