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US3393015A
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Assignee: ROBERT I KAUFMAN
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Filing: 1966-10-28
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Granted: 1968-07-16
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Robert I Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:16
CPC Classifications
B; B60; B60B; B60B27/00; B60B27/02; F; F16; F16C; F16C33/00; F16C33/72; F16C33/723; F16C2326/00; F16C2326/01; F16C2326/02; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S277/921; Y10S277/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1766313A
Cited
US1776641A
Cited
US2606779A
Cited
US3077948A
Cited
US3089738A
Cited
US3331638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |