US1772328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolster with lateral-motion mountings
Assignee: Symington Co
•
Filing: 1927-08-25
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Granted: 1930-08-05
•
Expires: 1947-08-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Symington
- 👤 Percy R Drenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:28
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/06
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) | 1933-08-04 | 1934-02-03 | 1934-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-04 | 1938-02-03 | 1938-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-04 | 1942-02-03 | 1942-08-05 | $7700.00 | Window Closed / Lapsed |