US2980381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support apparatus
Assignee: Honeywell Inc
•
Filing: 1957-09-26
•
Granted: 1961-04-18
•
Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Tefius X Dectrow
- 👤 Harold C Sundby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:01
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US553161A
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US917891A
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US1154668A
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US1152530A
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US1098581A
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US1171198A
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US1242441A
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US1279297A
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US1552911A
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US1583474A
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US1799668A
Cited
US2032636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |