US3027140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jack posts and means for forming the same
Assignee: Individual
•
Filing: 1959-05-22
•
Granted: 1962-03-27
•
Expires: 1979-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Holzbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:22
CPC Classifications
E; E04; E04G; E04G25/00; E04G25/04; E04G25/06; E04G25/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1222234A
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US1424748A
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GB332026A
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US1796173A
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US2352600A
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US2504291A
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US2570282A
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FR1112899A
Cited
GB768608A
Cited
US2934319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |