US3396927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling device
Assignee: ARLO B MASTERS
•
Filing: 1966-04-05
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Granted: 1968-08-13
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Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Arlo B Masters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:34
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/16; D; D06; D06F; D06F39/00; D06F39/12; D06F39/125; F; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/105; F16M11/20; F16M11/2007; F16M11/2021; F25; F25D; F25D23/00; F25D2323/00; F25D2323/0011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |