US1337015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring and reaming tool
Assignee: Individual
•
Filing: 1915-11-04
•
Granted: 1920-04-13
•
Expires: 1935-11-04
Abstract
No abstract record available.
Inventors
- 👤 Christian F Heinkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:01
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23D; B23D77/00; B23D77/02; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9098; Y10T408/90993
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) | 1923-04-13 | 1923-10-13 | 1924-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-04-13 | 1927-10-13 | 1928-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-04-13 | 1931-10-13 | 1932-04-13 | $7700.00 | Window Closed / Lapsed |