US2876022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip board attachment
Assignee: Individual
•
Filing: 1956-06-27
•
Granted: 1959-03-03
•
Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 John E Kroviak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:49
CPC Classifications
B; B42; B42F; B42F9/00; B42F9/001; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/203; Y10T24/204; Y10T24/31; Y10T24/314; Y10T24/316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1317423A
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US1594215A
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US1701888A
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US2211879A
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US2528695A
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DE854944C
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US2658773A
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US2701173A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |