US2778477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stacking
Assignee: Individual
•
Filing: 1955-02-02
•
Granted: 1957-01-22
•
Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Ezra C Lundahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:36
CPC Classifications
B; B65; B65G; B65G41/00; B65G41/001; B65G41/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599500A
Cited
US697686A
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US1103733A
Cited
US1244199A
Cited
US2478094A
Cited
US2501448A
Cited
DK77985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |