Patent US4678069A successfully refreshed from Google Patents.
Patent US812667A successfully refreshed from Google Patents.
Patent US4515196A successfully refreshed from Google Patents.
Patent US3289992A successfully refreshed from Google Patents.
Patent US1577255A successfully refreshed from Google Patents.
Patent US937078A successfully refreshed from Google Patents.
US937078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-gun.
Assignee: Individual
•
Filing: 1909-03-31
•
Granted: 1909-10-19
•
Expires: 1929-03-31
Abstract
No abstract record available.
Inventors
- 👤 Reuben N Laudermilch
- 👤 Henry C Laudermilch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:43
CPC Classifications
F; F41; F41B; F41B7/00; F41B7/006
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) | 1912-10-18 | 1913-04-19 | 1913-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-10-18 | 1917-04-19 | 1917-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-10-18 | 1921-04-19 | 1921-10-19 | $7700.00 | Window Closed / Lapsed |