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US2704524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
mcintyre
Assignee: —
•
Filing: —
•
Granted: 1955-03-22
•
Expires: 1972-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:18
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US518669A
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US526436A
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US685941A
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US783395A
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US822617A
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US903235A
Cited
US1104725A
Cited
US1230308A
Cited
US1383957A
Cited
US1838476A
Cited
US2554061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |