US2730765A
Expired / Lapsed
US
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Apparatus for making hollow bodies with sound effects
Assignee: Sun Rubber Co
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Filing: 1952-12-04
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Granted: 1956-01-17
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Expires: 1972-12-04
Abstract
No abstract record available.
Inventors
- 👤 Marvin J Crafton
- 👤 Rekettye Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:26
CPC Classifications
A; A63; A63H; A63H3/00; A63H3/28; B; B29; B29C; B29C41/00; B29C41/02; B29C41/025; B29C41/34; B29C41/38; B29C41/386; B29C41/04; B29K; B29K2027/00; B29K2027/06; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/52; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49876
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |