Patent US5249983A successfully refreshed from Google Patents.
Patent US945932A successfully refreshed from Google Patents.
US945932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piercing-mandrel.
Assignee: Stewarts and Lloyds Ltd
•
Filing: 1909-02-09
•
Granted: 1910-01-11
•
Expires: 1929-02-09
Abstract
No abstract record available.
Inventors
- 👤 Robert James Gardiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:04
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/02; B21D5/0209
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1913-01-10 | 1913-07-12 | 1914-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-01-10 | 1917-07-12 | 1918-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-01-10 | 1921-07-12 | 1922-01-11 | $7700.00 | Window Closed / Lapsed |