US3467329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-erecting spiral tube device
Assignee: Ametek Inc
•
Filing: 1965-10-21
•
Granted: 1969-09-16
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Charles M Giltner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/085; H01Q1/087; B; B64; B64G; B64G99/00; F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; F16H19/064; Y; Y10; Y10S; Y10S242/00; Y10S242/917
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE61526C
Cited
US285576A
Cited
US355413A
Cited
US418154A
Cited
US2098615A
Cited
US2490309A
Cited
US3144215A
Cited
US3144104A
Cited
US3300042A
Cited
US3380204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |