US3507404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the breaking down of piles of objects arranged in layers,such as bricks
Assignee: Individual
•
Filing: 1969-01-09
•
Granted: 1970-04-21
•
Expires: 1989-01-09
Abstract
No abstract record available.
Inventors
- 👤 Wilhelmus Antonius Maria Pompe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:59
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/445; B66C1/447; B65; B65G; B65G59/00; B65G59/02; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2488826A
Cited
US3161431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |