Patent US4978067A successfully refreshed from Google Patents.
US754350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular auger.
Assignee: Individual
•
Filing: 1903-07-22
•
Granted: 1904-03-08
•
Expires: 1923-07-22
Abstract
No abstract record available.
Inventors
- 👤 Grove David Shaull
- 👤 James Henry Shaull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:48
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/453; Y10T408/50; Y10T408/51; Y10T408/89; Y10T408/895; Y10T408/896; Y10T408/8967
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) | 1907-03-08 | 1907-09-07 | 1908-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-08 | 1911-09-07 | 1912-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-08 | 1915-09-07 | 1916-03-08 | $7700.00 | Window Closed / Lapsed |