US790302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heating bolt-blanks.
Assignee: ROBERT L MCLAREN
•
Filing: 1904-08-29
•
Granted: 1905-05-23
•
Expires: 1924-08-29
Abstract
No abstract record available.
Inventors
- 👤 Reese R Jones
- 👤 Herrick J Gray
- 👤 Joseph B Widen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:32
CPC Classifications
C; C21; C21D; C21D9/00
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) | 1908-05-22 | 1908-11-21 | 1909-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-05-22 | 1912-11-21 | 1913-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-05-22 | 1916-11-21 | 1917-05-23 | $7700.00 | Window Closed / Lapsed |