US3368843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair base
Assignee: Individual
•
Filing: 1966-06-06
•
Granted: 1968-02-13
•
Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Caldemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:35
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/025; A47C3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US91469A
Cited
US296931A
Cited
US321063A
Cited
US556128A
Cited
US733327A
Cited
US901848A
Cited
US2299538A
Cited
US3190693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |