US2867887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mould
Assignee: ANGELSTONE Ltd
•
Filing: 1956-04-24
•
Granted: 1959-01-13
•
Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ratcliffe Edward Bevan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:21
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/06; B28B13/00; B28B13/04; B28B13/06; B28B13/062; B28B7/24; B28B7/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194862A
Cited
US696686A
Cited
US1125986A
Cited
US1140840A
Cited
US1184117A
Cited
US1680294A
Cited
US1906698A
Cited
US2016860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |