US830204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hollow objects, conduits, &c.
Assignee: F W ROLLER
•
Filing: 1905-09-21
•
Granted: 1906-09-04
•
Expires: 1925-09-21
Abstract
No abstract record available.
Inventors
- 👤 James M Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:09
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/76; Y; Y10; Y10S; Y10S52/00; Y10S52/07
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) | 1909-09-03 | 1910-03-05 | 1910-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-09-03 | 1914-03-05 | 1914-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-09-03 | 1918-03-05 | 1918-09-04 | $7700.00 | Window Closed / Lapsed |