US2912041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core compactor
Assignee: H D BOGGS CO Ltd
•
Filing: 1954-01-28
•
Granted: 1959-11-10
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert D Boggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C48/00; B29C48/03; B29C48/09; B29C48/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143549A
Cited
US2386796A
Cited
US2609312A
Cited
US2592470A
Cited
US2549686A
Cited
US2633605A
Cited
US2702261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |