Patent US1783407A successfully refreshed from Google Patents.
Patent US2468336A successfully refreshed from Google Patents.
US2468336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible saw for cutting concrete and the like
Assignee: Individual
•
Filing: 1947-03-11
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Granted: 1949-04-26
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Expires: 1967-03-11
Abstract
No abstract record available.
Inventors
- 👤 Lewis William Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:46
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/045; E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0926; E01C23/0933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |