US2703554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable stock chute
Assignee: DELPHI PRODUCTS Co Inc
•
Filing: 1953-04-16
•
Granted: 1955-03-08
•
Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 John M Haggard
- 👤 Paul H Mcmurray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:51
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/06; A01K1/0613; A61; A61D; A61D3/00; A61D2003/003
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) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |