Patent US3405941A successfully refreshed from Google Patents.
US3405941A
Expired / Lapsed
US
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Balloon replacing apparatus for an amusement system
Assignee: INTERNATIONAL EXHIBITS Inc
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Filing: 1966-11-25
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Granted: 1968-10-15
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Martell Fred
- 👤 Lefferson Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:37
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/02; A63F9/0204; A63F9/0243; A63F9/0079; A63F2009/0083; A63F2250/00; A63F2250/04; A63F2250/0407; A63F2250/0428; A63F2250/18; A63F2250/186
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) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |