US641999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for seaming sheet metal.
Assignee: BENJAMIN BRISCOE JR
•
Filing: 1899-06-19
•
Granted: 1900-01-23
•
Expires: 1919-06-19
Abstract
No abstract record available.
Inventors
- 👤 Charles Puddefoot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:01
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2676
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) | 1903-01-23 | 1903-07-25 | 1904-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-01-23 | 1907-07-25 | 1908-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-01-23 | 1911-07-25 | 1912-01-24 | $7700.00 | Window Closed / Lapsed |