US3084938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1962-03-26
•
Granted: 1963-04-09
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Edward C Kapanowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
A; A63; A63B; A63B60/00; A63B60/06; A63B60/12; A63B60/08; A63B60/10; A63B21/00; A63B21/40; A63B21/4001; A63B21/4017; Y; Y10; Y10S; Y10S16/00; Y10S16/12; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/2078; Y10T74/20828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599564A
Cited
US855016A
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GB322512A
Cited
US1953857A
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US2091458A
Cited
US2914873A
Cited
US2928678A
Cited
US2938728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |