US2480487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring support for pipes
Assignee: Grinnell Corp
•
Filing: 1945-08-22
•
Granted: 1949-08-30
•
Expires: 1965-08-22
Abstract
No abstract record available.
Inventors
- 👤 Albert J Loepsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:37
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/02; F16F3/04; F16F15/00; F16F15/02; F16F15/04; F16F15/06; F16F15/067; F16L; F16L3/00; F16L3/16; F16L3/20; F16L3/205; F16L3/2053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB327631A
Cited
US2363538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |