US3407767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized floating apparatus
Assignee: PIKE CORP OF AMERICA
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Filing: 1966-09-22
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Granted: 1968-10-29
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ross A Mcclintock
- 👤 Gunnar B Bergman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:17
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/06; E; E21; E21B; E21B7/00; E21B7/12; E21B7/128; B63B2039/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |