US2609915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying apparatus
Assignee: Individual
•
Filing: 1949-03-10
•
Granted: 1952-09-09
•
Expires: 1969-03-10
Abstract
No abstract record available.
Inventors
- 👤 Burgh Albert R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:31
CPC Classifications
B; B65; B65G; B65G54/00; B65G54/02; B61; B61B; B61B12/00; B61B12/12; B61B9/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1312632A
Cited
US1323892A
Cited
US672663A
Cited
US1071847A
Cited
US1719231A
Cited
DE575309C
Cited
DE642099C
Cited
US2092927A
Cited
US2144835A
Cited
US2239395A
Cited
US2486273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |