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US3267546A
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Assignee: Individual
•
Filing: 1964-06-12
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Granted: 1966-08-23
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Ray A Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:29
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/02; B42F1/04; B42F1/06; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205; Y10T24/206; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US421251A
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US1309965A
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US1632537A
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US1198583A
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US1695290A
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US1634772A
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US2329974A
Cited
US3049772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |