US2800864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposal unit for burning items
Assignee: Individual
•
Filing: 1954-09-15
•
Granted: 1957-07-30
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 David R Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:53
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/08; B60N3/083; B60N3/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1611437A
Cited
US1612951A
Cited
US1799829A
Cited
US2299668A
Cited
US2376938A
Cited
US2538811A
Cited
US2559178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |